Home / 1,306,924.17-1,960,585.24-666,878.11

Finding the Fourth Proportional to 1,306,924.17, 1,960,585.24 and 666,878.11

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Solution

The fourth proportional to 1,306,924.17, 1,960,585.24 and 666,878.11 is: 1,000,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,924.17 : 1,960,585.24 = 666,878.11 : x
  2. Step 2: Convert to fraction form
    1,306,924.17/1,960,585.24 = 666,878.11/x
  3. Step 3: Cross multiply
    1,306,924.17x = 1,960,585.24 × 666,878.11
  4. Step 4: Simplify right side
    1,306,924.17x = 1,307,471,387,868.55
  5. Step 5: Solve for x
    x = 1,307,471,387,868.55/1,306,924.17
  6. Step 6: Final answer
    x = 1,000,418.71

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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.