Home / 1,432,549.89-1,976,886.36-787,956.24

Finding the Fourth Proportional to 1,432,549.89, 1,976,886.36 and 787,956.24

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Solution

The fourth proportional to 1,432,549.89, 1,976,886.36 and 787,956.24 is: 1,087,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,549.89 : 1,976,886.36 = 787,956.24 : x
  2. Step 2: Convert to fraction form
    1,432,549.89/1,976,886.36 = 787,956.24/x
  3. Step 3: Cross multiply
    1,432,549.89x = 1,976,886.36 × 787,956.24
  4. Step 4: Simplify right side
    1,432,549.89x = 1,557,699,943,132.89
  5. Step 5: Solve for x
    x = 1,557,699,943,132.89/1,432,549.89
  6. Step 6: Final answer
    x = 1,087,361.74

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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.