Home / 974,543.20-1,460,259.60-815,912.80

Finding the Fourth Proportional to 974,543.20, 1,460,259.60 and 815,912.80

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Solution

The fourth proportional to 974,543.20, 1,460,259.60 and 815,912.80 is: 1,222,567.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,543.20 : 1,460,259.60 = 815,912.80 : x
  2. Step 2: Convert to fraction form
    974,543.20/1,460,259.60 = 815,912.80/x
  3. Step 3: Cross multiply
    974,543.20x = 1,460,259.60 × 815,912.80
  4. Step 4: Simplify right side
    974,543.20x = 1,191,444,498,962.88
  5. Step 5: Solve for x
    x = 1,191,444,498,962.88/974,543.20
  6. Step 6: Final answer
    x = 1,222,567.15

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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.