Home / 1,148,963.91-1,585,329.84-665,500.20

Finding the Fourth Proportional to 1,148,963.91, 1,585,329.84 and 665,500.20

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Solution

The fourth proportional to 1,148,963.91, 1,585,329.84 and 665,500.20 is: 918,251.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,963.91 : 1,585,329.84 = 665,500.20 : x
  2. Step 2: Convert to fraction form
    1,148,963.91/1,585,329.84 = 665,500.20/x
  3. Step 3: Cross multiply
    1,148,963.91x = 1,585,329.84 × 665,500.20
  4. Step 4: Simplify right side
    1,148,963.91x = 1,055,037,325,585.97
  5. Step 5: Solve for x
    x = 1,055,037,325,585.97/1,148,963.91
  6. Step 6: Final answer
    x = 918,251.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.