Home / 842,538.60-1,266,432.30-826,792.20

Finding the Fourth Proportional to 842,538.60, 1,266,432.30 and 826,792.20

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Solution

The fourth proportional to 842,538.60, 1,266,432.30 and 826,792.20 is: 1,242,763.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,538.60 : 1,266,432.30 = 826,792.20 : x
  2. Step 2: Convert to fraction form
    842,538.60/1,266,432.30 = 826,792.20/x
  3. Step 3: Cross multiply
    842,538.60x = 1,266,432.30 × 826,792.20
  4. Step 4: Simplify right side
    842,538.60x = 1,047,076,347,468.06
  5. Step 5: Solve for x
    x = 1,047,076,347,468.06/842,538.60
  6. Step 6: Final answer
    x = 1,242,763.65

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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.