Home / 865,744.31-1,298,579.54-845,470.82

Finding the Fourth Proportional to 865,744.31, 1,298,579.54 and 845,470.82

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Solution

The fourth proportional to 865,744.31, 1,298,579.54 and 845,470.82 is: 1,268,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,744.31 : 1,298,579.54 = 845,470.82 : x
  2. Step 2: Convert to fraction form
    865,744.31/1,298,579.54 = 845,470.82/x
  3. Step 3: Cross multiply
    865,744.31x = 1,298,579.54 × 845,470.82
  4. Step 4: Simplify right side
    865,744.31x = 1,097,911,097,798.77
  5. Step 5: Solve for x
    x = 1,097,911,097,798.77/865,744.31
  6. Step 6: Final answer
    x = 1,268,170.16

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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.