Home / 1,169,439.40-1,754,742.30-664,388.20

Finding the Fourth Proportional to 1,169,439.40, 1,754,742.30 and 664,388.20

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Solution

The fourth proportional to 1,169,439.40, 1,754,742.30 and 664,388.20 is: 996,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,439.40 : 1,754,742.30 = 664,388.20 : x
  2. Step 2: Convert to fraction form
    1,169,439.40/1,754,742.30 = 664,388.20/x
  3. Step 3: Cross multiply
    1,169,439.40x = 1,754,742.30 × 664,388.20
  4. Step 4: Simplify right side
    1,169,439.40x = 1,165,830,078,160.86
  5. Step 5: Solve for x
    x = 1,165,830,078,160.86/1,169,439.40
  6. Step 6: Final answer
    x = 996,913.63

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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.