Home / 1,055,092.32-1,580,072.40-494,287.20

Finding the Fourth Proportional to 1,055,092.32, 1,580,072.40 and 494,287.20

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Solution

The fourth proportional to 1,055,092.32, 1,580,072.40 and 494,287.20 is: 740,228.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,092.32 : 1,580,072.40 = 494,287.20 : x
  2. Step 2: Convert to fraction form
    1,055,092.32/1,580,072.40 = 494,287.20/x
  3. Step 3: Cross multiply
    1,055,092.32x = 1,580,072.40 × 494,287.20
  4. Step 4: Simplify right side
    1,055,092.32x = 781,009,562,393.28
  5. Step 5: Solve for x
    x = 781,009,562,393.28/1,055,092.32
  6. Step 6: Final answer
    x = 740,228.65

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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.