Home / 1,245,350.40-1,868,947.20-497,932.80

Finding the Fourth Proportional to 1,245,350.40, 1,868,947.20 and 497,932.80

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Solution

The fourth proportional to 1,245,350.40, 1,868,947.20 and 497,932.80 is: 747,267.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,350.40 : 1,868,947.20 = 497,932.80 : x
  2. Step 2: Convert to fraction form
    1,245,350.40/1,868,947.20 = 497,932.80/x
  3. Step 3: Cross multiply
    1,245,350.40x = 1,868,947.20 × 497,932.80
  4. Step 4: Simplify right side
    1,245,350.40x = 930,610,112,348.16
  5. Step 5: Solve for x
    x = 930,610,112,348.16/1,245,350.40
  6. Step 6: Final answer
    x = 747,267.69

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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.