Home / 1,122,603.15-1,685,166.68-449,159.55

Finding the Fourth Proportional to 1,122,603.15, 1,685,166.68 and 449,159.55

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Solution

The fourth proportional to 1,122,603.15, 1,685,166.68 and 449,159.55 is: 674,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,603.15 : 1,685,166.68 = 449,159.55 : x
  2. Step 2: Convert to fraction form
    1,122,603.15/1,685,166.68 = 449,159.55/x
  3. Step 3: Cross multiply
    1,122,603.15x = 1,685,166.68 × 449,159.55
  4. Step 4: Simplify right side
    1,122,603.15x = 756,908,699,940.80
  5. Step 5: Solve for x
    x = 756,908,699,940.80/1,122,603.15
  6. Step 6: Final answer
    x = 674,244.23

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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.