Home / 1,245,440.01-1,861,336.32-909,188.76

Finding the Fourth Proportional to 1,245,440.01, 1,861,336.32 and 909,188.76

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Solution

The fourth proportional to 1,245,440.01, 1,861,336.32 and 909,188.76 is: 1,358,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,440.01 : 1,861,336.32 = 909,188.76 : x
  2. Step 2: Convert to fraction form
    1,245,440.01/1,861,336.32 = 909,188.76/x
  3. Step 3: Cross multiply
    1,245,440.01x = 1,861,336.32 × 909,188.76
  4. Step 4: Simplify right side
    1,245,440.01x = 1,692,306,060,723.76
  5. Step 5: Solve for x
    x = 1,692,306,060,723.76/1,245,440.01
  6. Step 6: Final answer
    x = 1,358,801.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.