Home / 1,012,534.20-1,518,801.30-657,948.60

Finding the Fourth Proportional to 1,012,534.20, 1,518,801.30 and 657,948.60

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Solution

The fourth proportional to 1,012,534.20, 1,518,801.30 and 657,948.60 is: 986,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,534.20 : 1,518,801.30 = 657,948.60 : x
  2. Step 2: Convert to fraction form
    1,012,534.20/1,518,801.30 = 657,948.60/x
  3. Step 3: Cross multiply
    1,012,534.20x = 1,518,801.30 × 657,948.60
  4. Step 4: Simplify right side
    1,012,534.20x = 999,293,189,013.18
  5. Step 5: Solve for x
    x = 999,293,189,013.18/1,012,534.20
  6. Step 6: Final answer
    x = 986,922.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.