Home / 1,022,600.89-1,413,740.15-767,509.21

Finding the Fourth Proportional to 1,022,600.89, 1,413,740.15 and 767,509.21

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Solution

The fourth proportional to 1,022,600.89, 1,413,740.15 and 767,509.21 is: 1,061,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,600.89 : 1,413,740.15 = 767,509.21 : x
  2. Step 2: Convert to fraction form
    1,022,600.89/1,413,740.15 = 767,509.21/x
  3. Step 3: Cross multiply
    1,022,600.89x = 1,413,740.15 × 767,509.21
  4. Step 4: Simplify right side
    1,022,600.89x = 1,085,058,585,671.78
  5. Step 5: Solve for x
    x = 1,085,058,585,671.78/1,022,600.89
  6. Step 6: Final answer
    x = 1,061,077.29

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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.