Home / 1,432,543.89-1,976,878.08-787,950.24

Finding the Fourth Proportional to 1,432,543.89, 1,976,878.08 and 787,950.24

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Solution

The fourth proportional to 1,432,543.89, 1,976,878.08 and 787,950.24 is: 1,087,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,543.89 : 1,976,878.08 = 787,950.24 : x
  2. Step 2: Convert to fraction form
    1,432,543.89/1,976,878.08 = 787,950.24/x
  3. Step 3: Cross multiply
    1,432,543.89x = 1,976,878.08 × 787,950.24
  4. Step 4: Simplify right side
    1,432,543.89x = 1,557,681,557,586.74
  5. Step 5: Solve for x
    x = 1,557,681,557,586.74/1,432,543.89
  6. Step 6: Final answer
    x = 1,087,353.46

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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.