Home / 1,292,348.17-1,783,607.61-741,278.89

Finding the Fourth Proportional to 1,292,348.17, 1,783,607.61 and 741,278.89

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Solution

The fourth proportional to 1,292,348.17, 1,783,607.61 and 741,278.89 is: 1,023,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,348.17 : 1,783,607.61 = 741,278.89 : x
  2. Step 2: Convert to fraction form
    1,292,348.17/1,783,607.61 = 741,278.89/x
  3. Step 3: Cross multiply
    1,292,348.17x = 1,783,607.61 × 741,278.89
  4. Step 4: Simplify right side
    1,292,348.17x = 1,322,150,669,336.35
  5. Step 5: Solve for x
    x = 1,322,150,669,336.35/1,292,348.17
  6. Step 6: Final answer
    x = 1,023,060.74

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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.