Home / 1,102,690.32-1,522,290.60-742,010.64

Finding the Fourth Proportional to 1,102,690.32, 1,522,290.60 and 742,010.64

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Solution

The fourth proportional to 1,102,690.32, 1,522,290.60 and 742,010.64 is: 1,024,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,690.32 : 1,522,290.60 = 742,010.64 : x
  2. Step 2: Convert to fraction form
    1,102,690.32/1,522,290.60 = 742,010.64/x
  3. Step 3: Cross multiply
    1,102,690.32x = 1,522,290.60 × 742,010.64
  4. Step 4: Simplify right side
    1,102,690.32x = 1,129,555,822,371.98
  5. Step 5: Solve for x
    x = 1,129,555,822,371.98/1,102,690.32
  6. Step 6: Final answer
    x = 1,024,363.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.