Home / 1,148,950.13-1,585,310.85-665,486.42

Finding the Fourth Proportional to 1,148,950.13, 1,585,310.85 and 665,486.42

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Solution

The fourth proportional to 1,148,950.13, 1,585,310.85 and 665,486.42 is: 918,232.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,950.13 : 1,585,310.85 = 665,486.42 : x
  2. Step 2: Convert to fraction form
    1,148,950.13/1,585,310.85 = 665,486.42/x
  3. Step 3: Cross multiply
    1,148,950.13x = 1,585,310.85 × 665,486.42
  4. Step 4: Simplify right side
    1,148,950.13x = 1,055,002,834,227.10
  5. Step 5: Solve for x
    x = 1,055,002,834,227.10/1,148,950.13
  6. Step 6: Final answer
    x = 918,232.05

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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.