Home / 1,330,013.60-1,995,279.60-571,853.60

Finding the Fourth Proportional to 1,330,013.60, 1,995,279.60 and 571,853.60

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Solution

The fourth proportional to 1,330,013.60, 1,995,279.60 and 571,853.60 is: 857,891.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,013.60 : 1,995,279.60 = 571,853.60 : x
  2. Step 2: Convert to fraction form
    1,330,013.60/1,995,279.60 = 571,853.60/x
  3. Step 3: Cross multiply
    1,330,013.60x = 1,995,279.60 × 571,853.60
  4. Step 4: Simplify right side
    1,330,013.60x = 1,141,007,822,266.56
  5. Step 5: Solve for x
    x = 1,141,007,822,266.56/1,330,013.60
  6. Step 6: Final answer
    x = 857,891.85

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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.