Home / 1,195,565.83-1,785,729.16-1,081,538.21

Finding the Fourth Proportional to 1,195,565.83, 1,785,729.16 and 1,081,538.21

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Solution

The fourth proportional to 1,195,565.83, 1,785,729.16 and 1,081,538.21 is: 1,615,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,565.83 : 1,785,729.16 = 1,081,538.21 : x
  2. Step 2: Convert to fraction form
    1,195,565.83/1,785,729.16 = 1,081,538.21/x
  3. Step 3: Cross multiply
    1,195,565.83x = 1,785,729.16 × 1,081,538.21
  4. Step 4: Simplify right side
    1,195,565.83x = 1,931,334,319,251.20
  5. Step 5: Solve for x
    x = 1,931,334,319,251.20/1,195,565.83
  6. Step 6: Final answer
    x = 1,615,414.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.