Home / 1,098,079.56-1,646,963.28-424,478.16

Finding the Fourth Proportional to 1,098,079.56, 1,646,963.28 and 424,478.16

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Solution

The fourth proportional to 1,098,079.56, 1,646,963.28 and 424,478.16 is: 636,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,079.56 : 1,646,963.28 = 424,478.16 : x
  2. Step 2: Convert to fraction form
    1,098,079.56/1,646,963.28 = 424,478.16/x
  3. Step 3: Cross multiply
    1,098,079.56x = 1,646,963.28 × 424,478.16
  4. Step 4: Simplify right side
    1,098,079.56x = 699,099,942,681.97
  5. Step 5: Solve for x
    x = 699,099,942,681.97/1,098,079.56
  6. Step 6: Final answer
    x = 636,656.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.