Home / 1,098,960.90-1,648,441.35-618,695.70

Finding the Fourth Proportional to 1,098,960.90, 1,648,441.35 and 618,695.70

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Solution

The fourth proportional to 1,098,960.90, 1,648,441.35 and 618,695.70 is: 928,043.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,960.90 : 1,648,441.35 = 618,695.70 : x
  2. Step 2: Convert to fraction form
    1,098,960.90/1,648,441.35 = 618,695.70/x
  3. Step 3: Cross multiply
    1,098,960.90x = 1,648,441.35 × 618,695.70
  4. Step 4: Simplify right side
    1,098,960.90x = 1,019,883,574,947.20
  5. Step 5: Solve for x
    x = 1,019,883,574,947.20/1,098,960.90
  6. Step 6: Final answer
    x = 928,043.55

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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.