Home / 1,485,095.41-2,049,080.40-840,515.61

Finding the Fourth Proportional to 1,485,095.41, 2,049,080.40 and 840,515.61

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Solution

The fourth proportional to 1,485,095.41, 2,049,080.40 and 840,515.61 is: 1,159,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,095.41 : 2,049,080.40 = 840,515.61 : x
  2. Step 2: Convert to fraction form
    1,485,095.41/2,049,080.40 = 840,515.61/x
  3. Step 3: Cross multiply
    1,485,095.41x = 2,049,080.40 × 840,515.61
  4. Step 4: Simplify right side
    1,485,095.41x = 1,722,284,058,503.02
  5. Step 5: Solve for x
    x = 1,722,284,058,503.02/1,485,095.41
  6. Step 6: Final answer
    x = 1,159,712.73

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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.