Home / 1,073,221.20-1,609,831.80-695,307.60

Finding the Fourth Proportional to 1,073,221.20, 1,609,831.80 and 695,307.60

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Solution

The fourth proportional to 1,073,221.20, 1,609,831.80 and 695,307.60 is: 1,042,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,221.20 : 1,609,831.80 = 695,307.60 : x
  2. Step 2: Convert to fraction form
    1,073,221.20/1,609,831.80 = 695,307.60/x
  3. Step 3: Cross multiply
    1,073,221.20x = 1,609,831.80 × 695,307.60
  4. Step 4: Simplify right side
    1,073,221.20x = 1,119,328,285,261.68
  5. Step 5: Solve for x
    x = 1,119,328,285,261.68/1,073,221.20
  6. Step 6: Final answer
    x = 1,042,961.40

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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.