Home / 1,245,885.40-1,869,702.90-536,422.60

Finding the Fourth Proportional to 1,245,885.40, 1,869,702.90 and 536,422.60

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Solution

The fourth proportional to 1,245,885.40, 1,869,702.90 and 536,422.60 is: 805,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,885.40 : 1,869,702.90 = 536,422.60 : x
  2. Step 2: Convert to fraction form
    1,245,885.40/1,869,702.90 = 536,422.60/x
  3. Step 3: Cross multiply
    1,245,885.40x = 1,869,702.90 × 536,422.60
  4. Step 4: Simplify right side
    1,245,885.40x = 1,002,950,890,845.54
  5. Step 5: Solve for x
    x = 1,002,950,890,845.54/1,245,885.40
  6. Step 6: Final answer
    x = 805,010.55

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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.