Home / 786,918.60-1,180,961.10-576,966.60

Finding the Fourth Proportional to 786,918.60, 1,180,961.10 and 576,966.60

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Solution

The fourth proportional to 786,918.60, 1,180,961.10 and 576,966.60 is: 865,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,918.60 : 1,180,961.10 = 576,966.60 : x
  2. Step 2: Convert to fraction form
    786,918.60/1,180,961.10 = 576,966.60/x
  3. Step 3: Cross multiply
    786,918.60x = 1,180,961.10 × 576,966.60
  4. Step 4: Simplify right side
    786,918.60x = 681,375,110,599.26
  5. Step 5: Solve for x
    x = 681,375,110,599.26/786,918.60
  6. Step 6: Final answer
    x = 865,877.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.