Home / 1,145,458.64-1,584,158.10-1,001,969.30

Finding the Fourth Proportional to 1,145,458.64, 1,584,158.10 and 1,001,969.30

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Solution

The fourth proportional to 1,145,458.64, 1,584,158.10 and 1,001,969.30 is: 1,385,713.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,458.64 : 1,584,158.10 = 1,001,969.30 : x
  2. Step 2: Convert to fraction form
    1,145,458.64/1,584,158.10 = 1,001,969.30/x
  3. Step 3: Cross multiply
    1,145,458.64x = 1,584,158.10 × 1,001,969.30
  4. Step 4: Simplify right side
    1,145,458.64x = 1,587,277,782,546.33
  5. Step 5: Solve for x
    x = 1,587,277,782,546.33/1,145,458.64
  6. Step 6: Final answer
    x = 1,385,713.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.