Home / 1,432,158.06-1,976,352.30-787,580.04

Finding the Fourth Proportional to 1,432,158.06, 1,976,352.30 and 787,580.04

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Solution

The fourth proportional to 1,432,158.06, 1,976,352.30 and 787,580.04 is: 1,086,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,158.06 : 1,976,352.30 = 787,580.04 : x
  2. Step 2: Convert to fraction form
    1,432,158.06/1,976,352.30 = 787,580.04/x
  3. Step 3: Cross multiply
    1,432,158.06x = 1,976,352.30 × 787,580.04
  4. Step 4: Simplify right side
    1,432,158.06x = 1,556,535,623,488.09
  5. Step 5: Solve for x
    x = 1,556,535,623,488.09/1,432,158.06
  6. Step 6: Final answer
    x = 1,086,846.25

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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.