Home / 1,272,337.60-1,908,505.20-325,706.80

Finding the Fourth Proportional to 1,272,337.60, 1,908,505.20 and 325,706.80

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Solution

The fourth proportional to 1,272,337.60, 1,908,505.20 and 325,706.80 is: 488,559.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,337.60 : 1,908,505.20 = 325,706.80 : x
  2. Step 2: Convert to fraction form
    1,272,337.60/1,908,505.20 = 325,706.80/x
  3. Step 3: Cross multiply
    1,272,337.60x = 1,908,505.20 × 325,706.80
  4. Step 4: Simplify right side
    1,272,337.60x = 621,613,121,475.36
  5. Step 5: Solve for x
    x = 621,613,121,475.36/1,272,337.60
  6. Step 6: Final answer
    x = 488,559.89

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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.