Home / 754,334.40-1,131,501.60-670,353.60

Finding the Fourth Proportional to 754,334.40, 1,131,501.60 and 670,353.60

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Solution

The fourth proportional to 754,334.40, 1,131,501.60 and 670,353.60 is: 1,005,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,334.40 : 1,131,501.60 = 670,353.60 : x
  2. Step 2: Convert to fraction form
    754,334.40/1,131,501.60 = 670,353.60/x
  3. Step 3: Cross multiply
    754,334.40x = 1,131,501.60 × 670,353.60
  4. Step 4: Simplify right side
    754,334.40x = 758,506,170,965.76
  5. Step 5: Solve for x
    x = 758,506,170,965.76/754,334.40
  6. Step 6: Final answer
    x = 1,005,530.40

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Similar ratio
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1.5x scale

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.