Home / 1,246,276.80-1,865,114.40-747,998.40

Finding the Fourth Proportional to 1,246,276.80, 1,865,114.40 and 747,998.40

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Solution

The fourth proportional to 1,246,276.80, 1,865,114.40 and 747,998.40 is: 1,119,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,276.80 : 1,865,114.40 = 747,998.40 : x
  2. Step 2: Convert to fraction form
    1,246,276.80/1,865,114.40 = 747,998.40/x
  3. Step 3: Cross multiply
    1,246,276.80x = 1,865,114.40 × 747,998.40
  4. Step 4: Simplify right side
    1,246,276.80x = 1,395,102,587,016.96
  5. Step 5: Solve for x
    x = 1,395,102,587,016.96/1,246,276.80
  6. Step 6: Final answer
    x = 1,119,416.32

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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.