Home / 1,098,601.60-1,647,902.40-389,430.40

Finding the Fourth Proportional to 1,098,601.60, 1,647,902.40 and 389,430.40

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Solution

The fourth proportional to 1,098,601.60, 1,647,902.40 and 389,430.40 is: 584,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,601.60 : 1,647,902.40 = 389,430.40 : x
  2. Step 2: Convert to fraction form
    1,098,601.60/1,647,902.40 = 389,430.40/x
  3. Step 3: Cross multiply
    1,098,601.60x = 1,647,902.40 × 389,430.40
  4. Step 4: Simplify right side
    1,098,601.60x = 641,743,290,792.96
  5. Step 5: Solve for x
    x = 641,743,290,792.96/1,098,601.60
  6. Step 6: Final answer
    x = 584,145.60

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1.5x scale

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.