Home / 1,101,363.74-1,652,045.70-391,419.80

Finding the Fourth Proportional to 1,101,363.74, 1,652,045.70 and 391,419.80

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Solution

The fourth proportional to 1,101,363.74, 1,652,045.70 and 391,419.80 is: 587,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,363.74 : 1,652,045.70 = 391,419.80 : x
  2. Step 2: Convert to fraction form
    1,101,363.74/1,652,045.70 = 391,419.80/x
  3. Step 3: Cross multiply
    1,101,363.74x = 1,652,045.70 × 391,419.80
  4. Step 4: Simplify right side
    1,101,363.74x = 646,643,397,484.86
  5. Step 5: Solve for x
    x = 646,643,397,484.86/1,101,363.74
  6. Step 6: Final answer
    x = 587,129.73

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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.