Home / 1,261,943.20-1,894,883.10-730,502.20

Finding the Fourth Proportional to 1,261,943.20, 1,894,883.10 and 730,502.20

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Solution

The fourth proportional to 1,261,943.20, 1,894,883.10 and 730,502.20 is: 1,096,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,943.20 : 1,894,883.10 = 730,502.20 : x
  2. Step 2: Convert to fraction form
    1,261,943.20/1,894,883.10 = 730,502.20/x
  3. Step 3: Cross multiply
    1,261,943.20x = 1,894,883.10 × 730,502.20
  4. Step 4: Simplify right side
    1,261,943.20x = 1,384,216,273,292.82
  5. Step 5: Solve for x
    x = 1,384,216,273,292.82/1,261,943.20
  6. Step 6: Final answer
    x = 1,096,892.69

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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.