Home / 1,109,106.27-1,663,593.79-310,370.13

Finding the Fourth Proportional to 1,109,106.27, 1,663,593.79 and 310,370.13

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Solution

The fourth proportional to 1,109,106.27, 1,663,593.79 and 310,370.13 is: 465,536.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,106.27 : 1,663,593.79 = 310,370.13 : x
  2. Step 2: Convert to fraction form
    1,109,106.27/1,663,593.79 = 310,370.13/x
  3. Step 3: Cross multiply
    1,109,106.27x = 1,663,593.79 × 310,370.13
  4. Step 4: Simplify right side
    1,109,106.27x = 516,329,810,999.67
  5. Step 5: Solve for x
    x = 516,329,810,999.67/1,109,106.27
  6. Step 6: Final answer
    x = 465,536.83

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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.