Home / 1,071,642.80-1,478,882.40-588,199.16

Finding the Fourth Proportional to 1,071,642.80, 1,478,882.40 and 588,199.16

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Solution

The fourth proportional to 1,071,642.80, 1,478,882.40 and 588,199.16 is: 811,723.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,642.80 : 1,478,882.40 = 588,199.16 : x
  2. Step 2: Convert to fraction form
    1,071,642.80/1,478,882.40 = 588,199.16/x
  3. Step 3: Cross multiply
    1,071,642.80x = 1,478,882.40 × 588,199.16
  4. Step 4: Simplify right side
    1,071,642.80x = 869,877,385,418.78
  5. Step 5: Solve for x
    x = 869,877,385,418.78/1,071,642.80
  6. Step 6: Final answer
    x = 811,723.26

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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.