Home / 1,282,788.10-1,922,156.56-1,041,728.92

Finding the Fourth Proportional to 1,282,788.10, 1,922,156.56 and 1,041,728.92

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Solution

The fourth proportional to 1,282,788.10, 1,922,156.56 and 1,041,728.92 is: 1,560,948.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,788.10 : 1,922,156.56 = 1,041,728.92 : x
  2. Step 2: Convert to fraction form
    1,282,788.10/1,922,156.56 = 1,041,728.92/x
  3. Step 3: Cross multiply
    1,282,788.10x = 1,922,156.56 × 1,041,728.92
  4. Step 4: Simplify right side
    1,282,788.10x = 2,002,366,077,319.72
  5. Step 5: Solve for x
    x = 2,002,366,077,319.72/1,282,788.10
  6. Step 6: Final answer
    x = 1,560,948.44

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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.