Home / 1,242,247.60-1,863,630.60-709,332.40

Finding the Fourth Proportional to 1,242,247.60, 1,863,630.60 and 709,332.40

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Solution

The fourth proportional to 1,242,247.60, 1,863,630.60 and 709,332.40 is: 1,064,146.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,247.60 : 1,863,630.60 = 709,332.40 : x
  2. Step 2: Convert to fraction form
    1,242,247.60/1,863,630.60 = 709,332.40/x
  3. Step 3: Cross multiply
    1,242,247.60x = 1,863,630.60 × 709,332.40
  4. Step 4: Simplify right side
    1,242,247.60x = 1,321,933,566,211.44
  5. Step 5: Solve for x
    x = 1,321,933,566,211.44/1,242,247.60
  6. Step 6: Final answer
    x = 1,064,146.61

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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.