Home / 1,098,646.28-1,648,079.27-378,893.18

Finding the Fourth Proportional to 1,098,646.28, 1,648,079.27 and 378,893.18

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Solution

The fourth proportional to 1,098,646.28, 1,648,079.27 and 378,893.18 is: 568,377.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,646.28 : 1,648,079.27 = 378,893.18 : x
  2. Step 2: Convert to fraction form
    1,098,646.28/1,648,079.27 = 378,893.18/x
  3. Step 3: Cross multiply
    1,098,646.28x = 1,648,079.27 × 378,893.18
  4. Step 4: Simplify right side
    1,098,646.28x = 624,445,995,502.38
  5. Step 5: Solve for x
    x = 624,445,995,502.38/1,098,646.28
  6. Step 6: Final answer
    x = 568,377.65

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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.