Home / 1,070,296.52-1,605,680.92-312,197.30

Finding the Fourth Proportional to 1,070,296.52, 1,605,680.92 and 312,197.30

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Solution

The fourth proportional to 1,070,296.52, 1,605,680.92 and 312,197.30 is: 468,364.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,296.52 : 1,605,680.92 = 312,197.30 : x
  2. Step 2: Convert to fraction form
    1,070,296.52/1,605,680.92 = 312,197.30/x
  3. Step 3: Cross multiply
    1,070,296.52x = 1,605,680.92 × 312,197.30
  4. Step 4: Simplify right side
    1,070,296.52x = 501,289,247,885.52
  5. Step 5: Solve for x
    x = 501,289,247,885.52/1,070,296.52
  6. Step 6: Final answer
    x = 468,364.83

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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.