Home / 1,341,787.90-2,012,098.65-442,882.30

Finding the Fourth Proportional to 1,341,787.90, 2,012,098.65 and 442,882.30

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Solution

The fourth proportional to 1,341,787.90, 2,012,098.65 and 442,882.30 is: 664,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,787.90 : 2,012,098.65 = 442,882.30 : x
  2. Step 2: Convert to fraction form
    1,341,787.90/2,012,098.65 = 442,882.30/x
  3. Step 3: Cross multiply
    1,341,787.90x = 2,012,098.65 × 442,882.30
  4. Step 4: Simplify right side
    1,341,787.90x = 891,122,877,938.90
  5. Step 5: Solve for x
    x = 891,122,877,938.90/1,341,787.90
  6. Step 6: Final answer
    x = 664,130.95

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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.