Home / 1,131,079.12-1,696,574.40-383,125.12

Finding the Fourth Proportional to 1,131,079.12, 1,696,574.40 and 383,125.12

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Solution

The fourth proportional to 1,131,079.12, 1,696,574.40 and 383,125.12 is: 574,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,079.12 : 1,696,574.40 = 383,125.12 : x
  2. Step 2: Convert to fraction form
    1,131,079.12/1,696,574.40 = 383,125.12/x
  3. Step 3: Cross multiply
    1,131,079.12x = 1,696,574.40 × 383,125.12
  4. Step 4: Simplify right side
    1,131,079.12x = 650,000,270,588.93
  5. Step 5: Solve for x
    x = 650,000,270,588.93/1,131,079.12
  6. Step 6: Final answer
    x = 574,672.68

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Double scale
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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.