Home / 992,487.68-1,369,607.04-579,103.52

Finding the Fourth Proportional to 992,487.68, 1,369,607.04 and 579,103.52

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Solution

The fourth proportional to 992,487.68, 1,369,607.04 and 579,103.52 is: 799,147.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,487.68 : 1,369,607.04 = 579,103.52 : x
  2. Step 2: Convert to fraction form
    992,487.68/1,369,607.04 = 579,103.52/x
  3. Step 3: Cross multiply
    992,487.68x = 1,369,607.04 × 579,103.52
  4. Step 4: Simplify right side
    992,487.68x = 793,144,257,880.78
  5. Step 5: Solve for x
    x = 793,144,257,880.78/992,487.68
  6. Step 6: Final answer
    x = 799,147.71

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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.