Home / 1,255,376.36-1,732,382.90-711,562.20

Finding the Fourth Proportional to 1,255,376.36, 1,732,382.90 and 711,562.20

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Solution

The fourth proportional to 1,255,376.36, 1,732,382.90 and 711,562.20 is: 981,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,376.36 : 1,732,382.90 = 711,562.20 : x
  2. Step 2: Convert to fraction form
    1,255,376.36/1,732,382.90 = 711,562.20/x
  3. Step 3: Cross multiply
    1,255,376.36x = 1,732,382.90 × 711,562.20
  4. Step 4: Simplify right side
    1,255,376.36x = 1,232,698,187,566.38
  5. Step 5: Solve for x
    x = 1,232,698,187,566.38/1,255,376.36
  6. Step 6: Final answer
    x = 981,935.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.