Home / 1,016,877.54-1,403,264.31-557,990.70

Finding the Fourth Proportional to 1,016,877.54, 1,403,264.31 and 557,990.70

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Solution

The fourth proportional to 1,016,877.54, 1,403,264.31 and 557,990.70 is: 770,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,877.54 : 1,403,264.31 = 557,990.70 : x
  2. Step 2: Convert to fraction form
    1,016,877.54/1,403,264.31 = 557,990.70/x
  3. Step 3: Cross multiply
    1,016,877.54x = 1,403,264.31 × 557,990.70
  4. Step 4: Simplify right side
    1,016,877.54x = 783,008,434,621.92
  5. Step 5: Solve for x
    x = 783,008,434,621.92/1,016,877.54
  6. Step 6: Final answer
    x = 770,012.52

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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.