Home / 1,215,000.70-1,822,501.05-373,443.10

Finding the Fourth Proportional to 1,215,000.70, 1,822,501.05 and 373,443.10

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Solution

The fourth proportional to 1,215,000.70, 1,822,501.05 and 373,443.10 is: 560,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,000.70 : 1,822,501.05 = 373,443.10 : x
  2. Step 2: Convert to fraction form
    1,215,000.70/1,822,501.05 = 373,443.10/x
  3. Step 3: Cross multiply
    1,215,000.70x = 1,822,501.05 × 373,443.10
  4. Step 4: Simplify right side
    1,215,000.70x = 680,600,441,865.26
  5. Step 5: Solve for x
    x = 680,600,441,865.26/1,215,000.70
  6. Step 6: Final answer
    x = 560,164.65

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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.