Home / 1,131,799.60-1,697,684.37-278,881.45

Finding the Fourth Proportional to 1,131,799.60, 1,697,684.37 and 278,881.45

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Solution

The fourth proportional to 1,131,799.60, 1,697,684.37 and 278,881.45 is: 418,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,799.60 : 1,697,684.37 = 278,881.45 : x
  2. Step 2: Convert to fraction form
    1,131,799.60/1,697,684.37 = 278,881.45/x
  3. Step 3: Cross multiply
    1,131,799.60x = 1,697,684.37 × 278,881.45
  4. Step 4: Simplify right side
    1,131,799.60x = 473,452,678,747.94
  5. Step 5: Solve for x
    x = 473,452,678,747.94/1,131,799.60
  6. Step 6: Final answer
    x = 418,318.47

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1.5x scale

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.