Home / 862,398.71-1,181,490.46-830,076.05

Finding the Fourth Proportional to 862,398.71, 1,181,490.46 and 830,076.05

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Solution

The fourth proportional to 862,398.71, 1,181,490.46 and 830,076.05 is: 1,137,208.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,398.71 : 1,181,490.46 = 830,076.05 : x
  2. Step 2: Convert to fraction form
    862,398.71/1,181,490.46 = 830,076.05/x
  3. Step 3: Cross multiply
    862,398.71x = 1,181,490.46 × 830,076.05
  4. Step 4: Simplify right side
    862,398.71x = 980,726,934,149.48
  5. Step 5: Solve for x
    x = 980,726,934,149.48/862,398.71
  6. Step 6: Final answer
    x = 1,137,208.26

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.