Home / 1,141,989.10-1,575,924.26-677,155.78

Finding the Fourth Proportional to 1,141,989.10, 1,575,924.26 and 677,155.78

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Solution

The fourth proportional to 1,141,989.10, 1,575,924.26 and 677,155.78 is: 934,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,989.10 : 1,575,924.26 = 677,155.78 : x
  2. Step 2: Convert to fraction form
    1,141,989.10/1,575,924.26 = 677,155.78/x
  3. Step 3: Cross multiply
    1,141,989.10x = 1,575,924.26 × 677,155.78
  4. Step 4: Simplify right side
    1,141,989.10x = 1,067,146,220,085.35
  5. Step 5: Solve for x
    x = 1,067,146,220,085.35/1,141,989.10
  6. Step 6: Final answer
    x = 934,462.70

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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.