Home / 1,247,820.60-1,870,809.30-499,481.40

Finding the Fourth Proportional to 1,247,820.60, 1,870,809.30 and 499,481.40

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Solution

The fourth proportional to 1,247,820.60, 1,870,809.30 and 499,481.40 is: 748,853.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,820.60 : 1,870,809.30 = 499,481.40 : x
  2. Step 2: Convert to fraction form
    1,247,820.60/1,870,809.30 = 499,481.40/x
  3. Step 3: Cross multiply
    1,247,820.60x = 1,870,809.30 × 499,481.40
  4. Step 4: Simplify right side
    1,247,820.60x = 934,434,448,297.02
  5. Step 5: Solve for x
    x = 934,434,448,297.02/1,247,820.60
  6. Step 6: Final answer
    x = 748,853.20

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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.