Home / 1,158,512.20-1,739,736.60-859,330.60

Finding the Fourth Proportional to 1,158,512.20, 1,739,736.60 and 859,330.60

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Solution

The fourth proportional to 1,158,512.20, 1,739,736.60 and 859,330.60 is: 1,290,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,512.20 : 1,739,736.60 = 859,330.60 : x
  2. Step 2: Convert to fraction form
    1,158,512.20/1,739,736.60 = 859,330.60/x
  3. Step 3: Cross multiply
    1,158,512.20x = 1,739,736.60 × 859,330.60
  4. Step 4: Simplify right side
    1,158,512.20x = 1,495,008,896,319.96
  5. Step 5: Solve for x
    x = 1,495,008,896,319.96/1,158,512.20
  6. Step 6: Final answer
    x = 1,290,455.89

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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.