Home / 1,325,877.60-1,989,507.60-577,999.20

Finding the Fourth Proportional to 1,325,877.60, 1,989,507.60 and 577,999.20

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Solution

The fourth proportional to 1,325,877.60, 1,989,507.60 and 577,999.20 is: 867,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,877.60 : 1,989,507.60 = 577,999.20 : x
  2. Step 2: Convert to fraction form
    1,325,877.60/1,989,507.60 = 577,999.20/x
  3. Step 3: Cross multiply
    1,325,877.60x = 1,989,507.60 × 577,999.20
  4. Step 4: Simplify right side
    1,325,877.60x = 1,149,933,801,193.92
  5. Step 5: Solve for x
    x = 1,149,933,801,193.92/1,325,877.60
  6. Step 6: Final answer
    x = 867,300.12

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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.