Home / 1,102,188.84-1,650,071.56-819,132.72

Finding the Fourth Proportional to 1,102,188.84, 1,650,071.56 and 819,132.72

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Solution

The fourth proportional to 1,102,188.84, 1,650,071.56 and 819,132.72 is: 1,226,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,188.84 : 1,650,071.56 = 819,132.72 : x
  2. Step 2: Convert to fraction form
    1,102,188.84/1,650,071.56 = 819,132.72/x
  3. Step 3: Cross multiply
    1,102,188.84x = 1,650,071.56 × 819,132.72
  4. Step 4: Simplify right side
    1,102,188.84x = 1,351,627,605,137.44
  5. Step 5: Solve for x
    x = 1,351,627,605,137.44/1,102,188.84
  6. Step 6: Final answer
    x = 1,226,312.19

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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.