Home / 1,479,438.10-2,218,501.05-680,964.40

Finding the Fourth Proportional to 1,479,438.10, 2,218,501.05 and 680,964.40

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Solution

The fourth proportional to 1,479,438.10, 2,218,501.05 and 680,964.40 is: 1,021,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,438.10 : 2,218,501.05 = 680,964.40 : x
  2. Step 2: Convert to fraction form
    1,479,438.10/2,218,501.05 = 680,964.40/x
  3. Step 3: Cross multiply
    1,479,438.10x = 2,218,501.05 × 680,964.40
  4. Step 4: Simplify right side
    1,479,438.10x = 1,510,720,236,412.62
  5. Step 5: Solve for x
    x = 1,510,720,236,412.62/1,479,438.10
  6. Step 6: Final answer
    x = 1,021,144.61

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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.