Home / 1,381,567.60-1,906,433.04-769,657.96

Finding the Fourth Proportional to 1,381,567.60, 1,906,433.04 and 769,657.96

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Solution

The fourth proportional to 1,381,567.60, 1,906,433.04 and 769,657.96 is: 1,062,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,567.60 : 1,906,433.04 = 769,657.96 : x
  2. Step 2: Convert to fraction form
    1,381,567.60/1,906,433.04 = 769,657.96/x
  3. Step 3: Cross multiply
    1,381,567.60x = 1,906,433.04 × 769,657.96
  4. Step 4: Simplify right side
    1,381,567.60x = 1,467,301,364,443.00
  5. Step 5: Solve for x
    x = 1,467,301,364,443.00/1,381,567.60
  6. Step 6: Final answer
    x = 1,062,055.42

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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.