Home / 1,074,592.91-1,481,920.38-687,530.81

Finding the Fourth Proportional to 1,074,592.91, 1,481,920.38 and 687,530.81

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Solution

The fourth proportional to 1,074,592.91, 1,481,920.38 and 687,530.81 is: 948,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,592.91 : 1,481,920.38 = 687,530.81 : x
  2. Step 2: Convert to fraction form
    1,074,592.91/1,481,920.38 = 687,530.81/x
  3. Step 3: Cross multiply
    1,074,592.91x = 1,481,920.38 × 687,530.81
  4. Step 4: Simplify right side
    1,074,592.91x = 1,018,865,911,807.31
  5. Step 5: Solve for x
    x = 1,018,865,911,807.31/1,074,592.91
  6. Step 6: Final answer
    x = 948,141.30

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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.