Home / 1,313,285.10-1,969,927.65-471,864.30

Finding the Fourth Proportional to 1,313,285.10, 1,969,927.65 and 471,864.30

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Solution

The fourth proportional to 1,313,285.10, 1,969,927.65 and 471,864.30 is: 707,796.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,285.10 : 1,969,927.65 = 471,864.30 : x
  2. Step 2: Convert to fraction form
    1,313,285.10/1,969,927.65 = 471,864.30/x
  3. Step 3: Cross multiply
    1,313,285.10x = 1,969,927.65 × 471,864.30
  4. Step 4: Simplify right side
    1,313,285.10x = 929,538,531,617.90
  5. Step 5: Solve for x
    x = 929,538,531,617.90/1,313,285.10
  6. Step 6: Final answer
    x = 707,796.45

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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.