Home / 1,695,172.97-2,339,952.55-1,122,397.67

Finding the Fourth Proportional to 1,695,172.97, 2,339,952.55 and 1,122,397.67

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Solution

The fourth proportional to 1,695,172.97, 2,339,952.55 and 1,122,397.67 is: 1,549,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695,172.97 : 2,339,952.55 = 1,122,397.67 : x
  2. Step 2: Convert to fraction form
    1,695,172.97/2,339,952.55 = 1,122,397.67/x
  3. Step 3: Cross multiply
    1,695,172.97x = 2,339,952.55 × 1,122,397.67
  4. Step 4: Simplify right side
    1,695,172.97x = 2,626,357,275,524.80
  5. Step 5: Solve for x
    x = 2,626,357,275,524.80/1,695,172.97
  6. Step 6: Final answer
    x = 1,549,315.22

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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.