Home / 1,465,205.60-2,197,808.40-612,129.80

Finding the Fourth Proportional to 1,465,205.60, 2,197,808.40 and 612,129.80

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Solution

The fourth proportional to 1,465,205.60, 2,197,808.40 and 612,129.80 is: 918,194.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,205.60 : 2,197,808.40 = 612,129.80 : x
  2. Step 2: Convert to fraction form
    1,465,205.60/2,197,808.40 = 612,129.80/x
  3. Step 3: Cross multiply
    1,465,205.60x = 2,197,808.40 × 612,129.80
  4. Step 4: Simplify right side
    1,465,205.60x = 1,345,344,016,330.32
  5. Step 5: Solve for x
    x = 1,345,344,016,330.32/1,465,205.60
  6. Step 6: Final answer
    x = 918,194.70

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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.