Home / 1,680,248.42-2,520,373.16-418,076.05

Finding the Fourth Proportional to 1,680,248.42, 2,520,373.16 and 418,076.05

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Solution

The fourth proportional to 1,680,248.42, 2,520,373.16 and 418,076.05 is: 627,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,248.42 : 2,520,373.16 = 418,076.05 : x
  2. Step 2: Convert to fraction form
    1,680,248.42/2,520,373.16 = 418,076.05/x
  3. Step 3: Cross multiply
    1,680,248.42x = 2,520,373.16 × 418,076.05
  4. Step 4: Simplify right side
    1,680,248.42x = 1,053,707,655,258.82
  5. Step 5: Solve for x
    x = 1,053,707,655,258.82/1,680,248.42
  6. Step 6: Final answer
    x = 627,114.21

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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.