Home / 834,420.30-1,251,630.45-745,846.80

Finding the Fourth Proportional to 834,420.30, 1,251,630.45 and 745,846.80

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Solution

The fourth proportional to 834,420.30, 1,251,630.45 and 745,846.80 is: 1,118,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,420.30 : 1,251,630.45 = 745,846.80 : x
  2. Step 2: Convert to fraction form
    834,420.30/1,251,630.45 = 745,846.80/x
  3. Step 3: Cross multiply
    834,420.30x = 1,251,630.45 × 745,846.80
  4. Step 4: Simplify right side
    834,420.30x = 933,524,565,915.06
  5. Step 5: Solve for x
    x = 933,524,565,915.06/834,420.30
  6. Step 6: Final answer
    x = 1,118,770.20

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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.