Home / 1,080,778.77-1,490,701.19-758,560.77

Finding the Fourth Proportional to 1,080,778.77, 1,490,701.19 and 758,560.77

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Solution

The fourth proportional to 1,080,778.77, 1,490,701.19 and 758,560.77 is: 1,046,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,778.77 : 1,490,701.19 = 758,560.77 : x
  2. Step 2: Convert to fraction form
    1,080,778.77/1,490,701.19 = 758,560.77/x
  3. Step 3: Cross multiply
    1,080,778.77x = 1,490,701.19 × 758,560.77
  4. Step 4: Simplify right side
    1,080,778.77x = 1,130,787,438,733.51
  5. Step 5: Solve for x
    x = 1,130,787,438,733.51/1,080,778.77
  6. Step 6: Final answer
    x = 1,046,270.96

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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.