Home / 921,376.24-1,270,747.20-773,630.56

Finding the Fourth Proportional to 921,376.24, 1,270,747.20 and 773,630.56

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Solution

The fourth proportional to 921,376.24, 1,270,747.20 and 773,630.56 is: 1,066,978.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,376.24 : 1,270,747.20 = 773,630.56 : x
  2. Step 2: Convert to fraction form
    921,376.24/1,270,747.20 = 773,630.56/x
  3. Step 3: Cross multiply
    921,376.24x = 1,270,747.20 × 773,630.56
  4. Step 4: Simplify right side
    921,376.24x = 983,088,867,954.43
  5. Step 5: Solve for x
    x = 983,088,867,954.43/921,376.24
  6. Step 6: Final answer
    x = 1,066,978.75

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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.