Home / 1,107,386.69-1,661,218.55-433,380.92

Finding the Fourth Proportional to 1,107,386.69, 1,661,218.55 and 433,380.92

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Solution

The fourth proportional to 1,107,386.69, 1,661,218.55 and 433,380.92 is: 650,125.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,386.69 : 1,661,218.55 = 433,380.92 : x
  2. Step 2: Convert to fraction form
    1,107,386.69/1,661,218.55 = 433,380.92/x
  3. Step 3: Cross multiply
    1,107,386.69x = 1,661,218.55 × 433,380.92
  4. Step 4: Simplify right side
    1,107,386.69x = 719,940,423,520.07
  5. Step 5: Solve for x
    x = 719,940,423,520.07/1,107,386.69
  6. Step 6: Final answer
    x = 650,125.59

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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.