Home / 1,246,269.48-1,868,655.45-487,206.89

Finding the Fourth Proportional to 1,246,269.48, 1,868,655.45 and 487,206.89

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Solution

The fourth proportional to 1,246,269.48, 1,868,655.45 and 487,206.89 is: 730,517.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,269.48 : 1,868,655.45 = 487,206.89 : x
  2. Step 2: Convert to fraction form
    1,246,269.48/1,868,655.45 = 487,206.89/x
  3. Step 3: Cross multiply
    1,246,269.48x = 1,868,655.45 × 487,206.89
  4. Step 4: Simplify right side
    1,246,269.48x = 910,421,810,276.05
  5. Step 5: Solve for x
    x = 910,421,810,276.05/1,246,269.48
  6. Step 6: Final answer
    x = 730,517.62

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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.