Home / 1,340,063.39-2,010,142.29-429,273.56

Finding the Fourth Proportional to 1,340,063.39, 2,010,142.29 and 429,273.56

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Solution

The fourth proportional to 1,340,063.39, 2,010,142.29 and 429,273.56 is: 643,925.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,063.39 : 2,010,142.29 = 429,273.56 : x
  2. Step 2: Convert to fraction form
    1,340,063.39/2,010,142.29 = 429,273.56/x
  3. Step 3: Cross multiply
    1,340,063.39x = 2,010,142.29 × 429,273.56
  4. Step 4: Simplify right side
    1,340,063.39x = 862,900,936,934.85
  5. Step 5: Solve for x
    x = 862,900,936,934.85/1,340,063.39
  6. Step 6: Final answer
    x = 643,925.46

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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.