Home / 1,132,919.31-1,699,378.66-423,002.71

Finding the Fourth Proportional to 1,132,919.31, 1,699,378.66 and 423,002.71

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Solution

The fourth proportional to 1,132,919.31, 1,699,378.66 and 423,002.71 is: 634,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,919.31 : 1,699,378.66 = 423,002.71 : x
  2. Step 2: Convert to fraction form
    1,132,919.31/1,699,378.66 = 423,002.71/x
  3. Step 3: Cross multiply
    1,132,919.31x = 1,699,378.66 × 423,002.71
  4. Step 4: Simplify right side
    1,132,919.31x = 718,841,778,496.17
  5. Step 5: Solve for x
    x = 718,841,778,496.17/1,132,919.31
  6. Step 6: Final answer
    x = 634,503.95

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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.