Home / 824,746.80-1,138,178.60-786,955.44

Finding the Fourth Proportional to 824,746.80, 1,138,178.60 and 786,955.44

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Solution

The fourth proportional to 824,746.80, 1,138,178.60 and 786,955.44 is: 1,086,025.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,746.80 : 1,138,178.60 = 786,955.44 : x
  2. Step 2: Convert to fraction form
    824,746.80/1,138,178.60 = 786,955.44/x
  3. Step 3: Cross multiply
    824,746.80x = 1,138,178.60 × 786,955.44
  4. Step 4: Simplify right side
    824,746.80x = 895,695,840,961.58
  5. Step 5: Solve for x
    x = 895,695,840,961.58/824,746.80
  6. Step 6: Final answer
    x = 1,086,025.24

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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.