Home / 1,123,136.53-1,549,928.46-613,838.92

Finding the Fourth Proportional to 1,123,136.53, 1,549,928.46 and 613,838.92

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Solution

The fourth proportional to 1,123,136.53, 1,549,928.46 and 613,838.92 is: 847,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,136.53 : 1,549,928.46 = 613,838.92 : x
  2. Step 2: Convert to fraction form
    1,123,136.53/1,549,928.46 = 613,838.92/x
  3. Step 3: Cross multiply
    1,123,136.53x = 1,549,928.46 × 613,838.92
  4. Step 4: Simplify right side
    1,123,136.53x = 951,406,411,963.66
  5. Step 5: Solve for x
    x = 951,406,411,963.66/1,123,136.53
  6. Step 6: Final answer
    x = 847,097.74

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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.