Home / 1,130,239.80-1,695,359.70-382,285.80

Finding the Fourth Proportional to 1,130,239.80, 1,695,359.70 and 382,285.80

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Solution

The fourth proportional to 1,130,239.80, 1,695,359.70 and 382,285.80 is: 573,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,239.80 : 1,695,359.70 = 382,285.80 : x
  2. Step 2: Convert to fraction form
    1,130,239.80/1,695,359.70 = 382,285.80/x
  3. Step 3: Cross multiply
    1,130,239.80x = 1,695,359.70 × 382,285.80
  4. Step 4: Simplify right side
    1,130,239.80x = 648,111,939,202.26
  5. Step 5: Solve for x
    x = 648,111,939,202.26/1,130,239.80
  6. Step 6: Final answer
    x = 573,428.70

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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.