Home / 1,107,785.16-1,661,012.28-433,062.81

Finding the Fourth Proportional to 1,107,785.16, 1,661,012.28 and 433,062.81

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Solution

The fourth proportional to 1,107,785.16, 1,661,012.28 and 433,062.81 is: 649,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,785.16 : 1,661,012.28 = 433,062.81 : x
  2. Step 2: Convert to fraction form
    1,107,785.16/1,661,012.28 = 433,062.81/x
  3. Step 3: Cross multiply
    1,107,785.16x = 1,661,012.28 × 433,062.81
  4. Step 4: Simplify right side
    1,107,785.16x = 719,322,645,421.31
  5. Step 5: Solve for x
    x = 719,322,645,421.31/1,107,785.16
  6. Step 6: Final answer
    x = 649,334.07

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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.