Home / 1,302,937.80-1,956,156.30-831,712.20

Finding the Fourth Proportional to 1,302,937.80, 1,956,156.30 and 831,712.20

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Solution

The fourth proportional to 1,302,937.80, 1,956,156.30 and 831,712.20 is: 1,248,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,937.80 : 1,956,156.30 = 831,712.20 : x
  2. Step 2: Convert to fraction form
    1,302,937.80/1,956,156.30 = 831,712.20/x
  3. Step 3: Cross multiply
    1,302,937.80x = 1,956,156.30 × 831,712.20
  4. Step 4: Simplify right side
    1,302,937.80x = 1,626,959,059,816.86
  5. Step 5: Solve for x
    x = 1,626,959,059,816.86/1,302,937.80
  6. Step 6: Final answer
    x = 1,248,685.13

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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.