Home / 1,205,517.11-1,808,781.71-750,488.90

Finding the Fourth Proportional to 1,205,517.11, 1,808,781.71 and 750,488.90

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Solution

The fourth proportional to 1,205,517.11, 1,808,781.71 and 750,488.90 is: 1,126,048.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,517.11 : 1,808,781.71 = 750,488.90 : x
  2. Step 2: Convert to fraction form
    1,205,517.11/1,808,781.71 = 750,488.90/x
  3. Step 3: Cross multiply
    1,205,517.11x = 1,808,781.71 × 750,488.90
  4. Step 4: Simplify right side
    1,205,517.11x = 1,357,470,583,081.67
  5. Step 5: Solve for x
    x = 1,357,470,583,081.67/1,205,517.11
  6. Step 6: Final answer
    x = 1,126,048.38

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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.