Home / 1,195,565.96-1,785,729.35-1,081,538.34

Finding the Fourth Proportional to 1,195,565.96, 1,785,729.35 and 1,081,538.34

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Solution

The fourth proportional to 1,195,565.96, 1,785,729.35 and 1,081,538.34 is: 1,615,414.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,565.96 : 1,785,729.35 = 1,081,538.34 : x
  2. Step 2: Convert to fraction form
    1,195,565.96/1,785,729.35 = 1,081,538.34/x
  3. Step 3: Cross multiply
    1,195,565.96x = 1,785,729.35 × 1,081,538.34
  4. Step 4: Simplify right side
    1,195,565.96x = 1,931,334,756,888.28
  5. Step 5: Solve for x
    x = 1,931,334,756,888.28/1,195,565.96
  6. Step 6: Final answer
    x = 1,615,414.64

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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.