Home / 1,255,209.70-1,882,814.55-402,279.70

Finding the Fourth Proportional to 1,255,209.70, 1,882,814.55 and 402,279.70

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Solution

The fourth proportional to 1,255,209.70, 1,882,814.55 and 402,279.70 is: 603,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,209.70 : 1,882,814.55 = 402,279.70 : x
  2. Step 2: Convert to fraction form
    1,255,209.70/1,882,814.55 = 402,279.70/x
  3. Step 3: Cross multiply
    1,255,209.70x = 1,882,814.55 × 402,279.70
  4. Step 4: Simplify right side
    1,255,209.70x = 757,418,072,329.64
  5. Step 5: Solve for x
    x = 757,418,072,329.64/1,255,209.70
  6. Step 6: Final answer
    x = 603,419.55

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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.