Home / 1,218,902.40-1,828,645.20-587,296.80

Finding the Fourth Proportional to 1,218,902.40, 1,828,645.20 and 587,296.80

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Solution

The fourth proportional to 1,218,902.40, 1,828,645.20 and 587,296.80 is: 881,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,902.40 : 1,828,645.20 = 587,296.80 : x
  2. Step 2: Convert to fraction form
    1,218,902.40/1,828,645.20 = 587,296.80/x
  3. Step 3: Cross multiply
    1,218,902.40x = 1,828,645.20 × 587,296.80
  4. Step 4: Simplify right side
    1,218,902.40x = 1,073,957,474,295.36
  5. Step 5: Solve for x
    x = 1,073,957,474,295.36/1,218,902.40
  6. Step 6: Final answer
    x = 881,085.70

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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.