Home / 1,258,086.20-1,887,684.86-976,225.64

Finding the Fourth Proportional to 1,258,086.20, 1,887,684.86 and 976,225.64

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Solution

The fourth proportional to 1,258,086.20, 1,887,684.86 and 976,225.64 is: 1,464,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,086.20 : 1,887,684.86 = 976,225.64 : x
  2. Step 2: Convert to fraction form
    1,258,086.20/1,887,684.86 = 976,225.64/x
  3. Step 3: Cross multiply
    1,258,086.20x = 1,887,684.86 × 976,225.64
  4. Step 4: Simplify right side
    1,258,086.20x = 1,842,806,353,573.95
  5. Step 5: Solve for x
    x = 1,842,806,353,573.95/1,258,086.20
  6. Step 6: Final answer
    x = 1,464,769.55

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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.