Home / 1,687,660.20-2,531,490.30-676,938.15

Finding the Fourth Proportional to 1,687,660.20, 2,531,490.30 and 676,938.15

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Solution

The fourth proportional to 1,687,660.20, 2,531,490.30 and 676,938.15 is: 1,015,407.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,660.20 : 2,531,490.30 = 676,938.15 : x
  2. Step 2: Convert to fraction form
    1,687,660.20/2,531,490.30 = 676,938.15/x
  3. Step 3: Cross multiply
    1,687,660.20x = 2,531,490.30 × 676,938.15
  4. Step 4: Simplify right side
    1,687,660.20x = 1,713,662,360,424.94
  5. Step 5: Solve for x
    x = 1,713,662,360,424.94/1,687,660.20
  6. Step 6: Final answer
    x = 1,015,407.23

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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.