Home / 1,245,658.38-1,868,487.50-299,029.10

Finding the Fourth Proportional to 1,245,658.38, 1,868,487.50 and 299,029.10

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Solution

The fourth proportional to 1,245,658.38, 1,868,487.50 and 299,029.10 is: 448,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,658.38 : 1,868,487.50 = 299,029.10 : x
  2. Step 2: Convert to fraction form
    1,245,658.38/1,868,487.50 = 299,029.10/x
  3. Step 3: Cross multiply
    1,245,658.38x = 1,868,487.50 × 299,029.10
  4. Step 4: Simplify right side
    1,245,658.38x = 558,732,135,719.59
  5. Step 5: Solve for x
    x = 558,732,135,719.59/1,245,658.38
  6. Step 6: Final answer
    x = 448,543.63

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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.