Home / 1,023,989.30-1,413,139.18-558,868.58

Finding the Fourth Proportional to 1,023,989.30, 1,413,139.18 and 558,868.58

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Solution

The fourth proportional to 1,023,989.30, 1,413,139.18 and 558,868.58 is: 771,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,989.30 : 1,413,139.18 = 558,868.58 : x
  2. Step 2: Convert to fraction form
    1,023,989.30/1,413,139.18 = 558,868.58/x
  3. Step 3: Cross multiply
    1,023,989.30x = 1,413,139.18 × 558,868.58
  4. Step 4: Simplify right side
    1,023,989.30x = 789,759,086,868.96
  5. Step 5: Solve for x
    x = 789,759,086,868.96/1,023,989.30
  6. Step 6: Final answer
    x = 771,257.17

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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.