Home / 972,418.80-1,459,940.40-772,964.40

Finding the Fourth Proportional to 972,418.80, 1,459,940.40 and 772,964.40

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Solution

The fourth proportional to 972,418.80, 1,459,940.40 and 772,964.40 is: 1,160,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,418.80 : 1,459,940.40 = 772,964.40 : x
  2. Step 2: Convert to fraction form
    972,418.80/1,459,940.40 = 772,964.40/x
  3. Step 3: Cross multiply
    972,418.80x = 1,459,940.40 × 772,964.40
  4. Step 4: Simplify right side
    972,418.80x = 1,128,481,955,321.76
  5. Step 5: Solve for x
    x = 1,128,481,955,321.76/972,418.80
  6. Step 6: Final answer
    x = 1,160,489.65

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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.