Home / 1,418,478.50-2,127,489.35-407,370.48

Finding the Fourth Proportional to 1,418,478.50, 2,127,489.35 and 407,370.48

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Solution

The fourth proportional to 1,418,478.50, 2,127,489.35 and 407,370.48 is: 610,990.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,478.50 : 2,127,489.35 = 407,370.48 : x
  2. Step 2: Convert to fraction form
    1,418,478.50/2,127,489.35 = 407,370.48/x
  3. Step 3: Cross multiply
    1,418,478.50x = 2,127,489.35 × 407,370.48
  4. Step 4: Simplify right side
    1,418,478.50x = 866,676,355,667.54
  5. Step 5: Solve for x
    x = 866,676,355,667.54/1,418,478.50
  6. Step 6: Final answer
    x = 610,990.13

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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.