Home / 1,008,056.50-1,512,113.92-260,102.50

Finding the Fourth Proportional to 1,008,056.50, 1,512,113.92 and 260,102.50

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Solution

The fourth proportional to 1,008,056.50, 1,512,113.92 and 260,102.50 is: 390,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,056.50 : 1,512,113.92 = 260,102.50 : x
  2. Step 2: Convert to fraction form
    1,008,056.50/1,512,113.92 = 260,102.50/x
  3. Step 3: Cross multiply
    1,008,056.50x = 1,512,113.92 × 260,102.50
  4. Step 4: Simplify right side
    1,008,056.50x = 393,304,610,876.80
  5. Step 5: Solve for x
    x = 393,304,610,876.80/1,008,056.50
  6. Step 6: Final answer
    x = 390,161.28

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Similar ratio
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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.