Home / 992,350.34-1,369,924.68-665,543.82

Finding the Fourth Proportional to 992,350.34, 1,369,924.68 and 665,543.82

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Solution

The fourth proportional to 992,350.34, 1,369,924.68 and 665,543.82 is: 918,773.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,350.34 : 1,369,924.68 = 665,543.82 : x
  2. Step 2: Convert to fraction form
    992,350.34/1,369,924.68 = 665,543.82/x
  3. Step 3: Cross multiply
    992,350.34x = 1,369,924.68 × 665,543.82
  4. Step 4: Simplify right side
    992,350.34x = 911,744,904,639.48
  5. Step 5: Solve for x
    x = 911,744,904,639.48/992,350.34
  6. Step 6: Final answer
    x = 918,773.21

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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.