Home / 786,829.40-1,180,244.10-726,468.20

Finding the Fourth Proportional to 786,829.40, 1,180,244.10 and 726,468.20

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Solution

The fourth proportional to 786,829.40, 1,180,244.10 and 726,468.20 is: 1,089,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,829.40 : 1,180,244.10 = 726,468.20 : x
  2. Step 2: Convert to fraction form
    786,829.40/1,180,244.10 = 726,468.20/x
  3. Step 3: Cross multiply
    786,829.40x = 1,180,244.10 × 726,468.20
  4. Step 4: Simplify right side
    786,829.40x = 857,409,806,887.62
  5. Step 5: Solve for x
    x = 857,409,806,887.62/786,829.40
  6. Step 6: Final answer
    x = 1,089,702.30

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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.