Home / 1,361,248.20-2,041,872.30-857,363.40

Finding the Fourth Proportional to 1,361,248.20, 2,041,872.30 and 857,363.40

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Solution

The fourth proportional to 1,361,248.20, 2,041,872.30 and 857,363.40 is: 1,286,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,248.20 : 2,041,872.30 = 857,363.40 : x
  2. Step 2: Convert to fraction form
    1,361,248.20/2,041,872.30 = 857,363.40/x
  3. Step 3: Cross multiply
    1,361,248.20x = 2,041,872.30 × 857,363.40
  4. Step 4: Simplify right side
    1,361,248.20x = 1,750,626,577,493.82
  5. Step 5: Solve for x
    x = 1,750,626,577,493.82/1,361,248.20
  6. Step 6: Final answer
    x = 1,286,045.10

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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.