Home / 1,055,587.23-1,456,702.20-572,139.90

Finding the Fourth Proportional to 1,055,587.23, 1,456,702.20 and 572,139.90

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Solution

The fourth proportional to 1,055,587.23, 1,456,702.20 and 572,139.90 is: 789,548.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,587.23 : 1,456,702.20 = 572,139.90 : x
  2. Step 2: Convert to fraction form
    1,055,587.23/1,456,702.20 = 572,139.90/x
  3. Step 3: Cross multiply
    1,055,587.23x = 1,456,702.20 × 572,139.90
  4. Step 4: Simplify right side
    1,055,587.23x = 833,437,451,037.78
  5. Step 5: Solve for x
    x = 833,437,451,037.78/1,055,587.23
  6. Step 6: Final answer
    x = 789,548.63

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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.