Home / 1,088,136.70-1,632,205.05-289,416.70

Finding the Fourth Proportional to 1,088,136.70, 1,632,205.05 and 289,416.70

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Solution

The fourth proportional to 1,088,136.70, 1,632,205.05 and 289,416.70 is: 434,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,136.70 : 1,632,205.05 = 289,416.70 : x
  2. Step 2: Convert to fraction form
    1,088,136.70/1,632,205.05 = 289,416.70/x
  3. Step 3: Cross multiply
    1,088,136.70x = 1,632,205.05 × 289,416.70
  4. Step 4: Simplify right side
    1,088,136.70x = 472,387,399,294.34
  5. Step 5: Solve for x
    x = 472,387,399,294.34/1,088,136.70
  6. Step 6: Final answer
    x = 434,125.05

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.