Home / 1,299,052.17-1,948,020.90-446,209.65

Finding the Fourth Proportional to 1,299,052.17, 1,948,020.90 and 446,209.65

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Solution

The fourth proportional to 1,299,052.17, 1,948,020.90 and 446,209.65 is: 669,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,052.17 : 1,948,020.90 = 446,209.65 : x
  2. Step 2: Convert to fraction form
    1,299,052.17/1,948,020.90 = 446,209.65/x
  3. Step 3: Cross multiply
    1,299,052.17x = 1,948,020.90 × 446,209.65
  4. Step 4: Simplify right side
    1,299,052.17x = 869,225,723,981.69
  5. Step 5: Solve for x
    x = 869,225,723,981.69/1,299,052.17
  6. Step 6: Final answer
    x = 669,123.03

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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.