Home / 1,341,808.40-2,012,129.40-442,902.80

Finding the Fourth Proportional to 1,341,808.40, 2,012,129.40 and 442,902.80

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Solution

The fourth proportional to 1,341,808.40, 2,012,129.40 and 442,902.80 is: 664,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,808.40 : 2,012,129.40 = 442,902.80 : x
  2. Step 2: Convert to fraction form
    1,341,808.40/2,012,129.40 = 442,902.80/x
  3. Step 3: Cross multiply
    1,341,808.40x = 2,012,129.40 × 442,902.80
  4. Step 4: Simplify right side
    1,341,808.40x = 891,177,745,222.32
  5. Step 5: Solve for x
    x = 891,177,745,222.32/1,341,808.40
  6. Step 6: Final answer
    x = 664,161.70

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1.5x scale

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.