Home / 1,087,248.20-1,630,872.30-709,334.60

Finding the Fourth Proportional to 1,087,248.20, 1,630,872.30 and 709,334.60

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Solution

The fourth proportional to 1,087,248.20, 1,630,872.30 and 709,334.60 is: 1,064,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,248.20 : 1,630,872.30 = 709,334.60 : x
  2. Step 2: Convert to fraction form
    1,087,248.20/1,630,872.30 = 709,334.60/x
  3. Step 3: Cross multiply
    1,087,248.20x = 1,630,872.30 × 709,334.60
  4. Step 4: Simplify right side
    1,087,248.20x = 1,156,834,150,571.58
  5. Step 5: Solve for x
    x = 1,156,834,150,571.58/1,087,248.20
  6. Step 6: Final answer
    x = 1,064,001.90

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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.