Home / 1,087,395.18-1,631,092.77-339,505.26

Finding the Fourth Proportional to 1,087,395.18, 1,631,092.77 and 339,505.26

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Solution

The fourth proportional to 1,087,395.18, 1,631,092.77 and 339,505.26 is: 509,257.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,395.18 : 1,631,092.77 = 339,505.26 : x
  2. Step 2: Convert to fraction form
    1,087,395.18/1,631,092.77 = 339,505.26/x
  3. Step 3: Cross multiply
    1,087,395.18x = 1,631,092.77 × 339,505.26
  4. Step 4: Simplify right side
    1,087,395.18x = 553,764,574,962.97
  5. Step 5: Solve for x
    x = 553,764,574,962.97/1,087,395.18
  6. Step 6: Final answer
    x = 509,257.89

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Double scale
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Similar ratio
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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.