Home / 1,246,269.52-1,868,655.54-487,206.91

Finding the Fourth Proportional to 1,246,269.52, 1,868,655.54 and 487,206.91

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Solution

The fourth proportional to 1,246,269.52, 1,868,655.54 and 487,206.91 is: 730,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,269.52 : 1,868,655.54 = 487,206.91 : x
  2. Step 2: Convert to fraction form
    1,246,269.52/1,868,655.54 = 487,206.91/x
  3. Step 3: Cross multiply
    1,246,269.52x = 1,868,655.54 × 487,206.91
  4. Step 4: Simplify right side
    1,246,269.52x = 910,421,882,154.50
  5. Step 5: Solve for x
    x = 910,421,882,154.50/1,246,269.52
  6. Step 6: Final answer
    x = 730,517.65

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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.