Home / 1,107,712.45-1,661,568.68-433,569.70

Finding the Fourth Proportional to 1,107,712.45, 1,661,568.68 and 433,569.70

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Solution

The fourth proportional to 1,107,712.45, 1,661,568.68 and 433,569.70 is: 650,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,712.45 : 1,661,568.68 = 433,569.70 : x
  2. Step 2: Convert to fraction form
    1,107,712.45/1,661,568.68 = 433,569.70/x
  3. Step 3: Cross multiply
    1,107,712.45x = 1,661,568.68 × 433,569.70
  4. Step 4: Simplify right side
    1,107,712.45x = 720,405,834,117.00
  5. Step 5: Solve for x
    x = 720,405,834,117.00/1,107,712.45
  6. Step 6: Final answer
    x = 650,354.55

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Double scale
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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.