Home / 1,416,385.20-2,125,787.40-575,540.40

Finding the Fourth Proportional to 1,416,385.20, 2,125,787.40 and 575,540.40

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Solution

The fourth proportional to 1,416,385.20, 2,125,787.40 and 575,540.40 is: 863,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,385.20 : 2,125,787.40 = 575,540.40 : x
  2. Step 2: Convert to fraction form
    1,416,385.20/2,125,787.40 = 575,540.40/x
  3. Step 3: Cross multiply
    1,416,385.20x = 2,125,787.40 × 575,540.40
  4. Step 4: Simplify right side
    1,416,385.20x = 1,223,476,530,510.96
  5. Step 5: Solve for x
    x = 1,223,476,530,510.96/1,416,385.20
  6. Step 6: Final answer
    x = 863,802.11

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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.