Home / 1,205,998.80-1,810,380.60-707,643.60

Finding the Fourth Proportional to 1,205,998.80, 1,810,380.60 and 707,643.60

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Solution

The fourth proportional to 1,205,998.80, 1,810,380.60 and 707,643.60 is: 1,062,276.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,998.80 : 1,810,380.60 = 707,643.60 : x
  2. Step 2: Convert to fraction form
    1,205,998.80/1,810,380.60 = 707,643.60/x
  3. Step 3: Cross multiply
    1,205,998.80x = 1,810,380.60 × 707,643.60
  4. Step 4: Simplify right side
    1,205,998.80x = 1,281,104,245,154.16
  5. Step 5: Solve for x
    x = 1,281,104,245,154.16/1,205,998.80
  6. Step 6: Final answer
    x = 1,062,276.55

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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.