Home / 1,030,169.82-1,421,154.66-667,711.02

Finding the Fourth Proportional to 1,030,169.82, 1,421,154.66 and 667,711.02

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Solution

The fourth proportional to 1,030,169.82, 1,421,154.66 and 667,711.02 is: 921,130.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,169.82 : 1,421,154.66 = 667,711.02 : x
  2. Step 2: Convert to fraction form
    1,030,169.82/1,421,154.66 = 667,711.02/x
  3. Step 3: Cross multiply
    1,030,169.82x = 1,421,154.66 × 667,711.02
  4. Step 4: Simplify right side
    1,030,169.82x = 948,920,627,606.35
  5. Step 5: Solve for x
    x = 948,920,627,606.35/1,030,169.82
  6. Step 6: Final answer
    x = 921,130.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.