Home / 1,277,449.46-1,915,402.38-509,065.38

Finding the Fourth Proportional to 1,277,449.46, 1,915,402.38 and 509,065.38

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Solution

The fourth proportional to 1,277,449.46, 1,915,402.38 and 509,065.38 is: 763,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,449.46 : 1,915,402.38 = 509,065.38 : x
  2. Step 2: Convert to fraction form
    1,277,449.46/1,915,402.38 = 509,065.38/x
  3. Step 3: Cross multiply
    1,277,449.46x = 1,915,402.38 × 509,065.38
  4. Step 4: Simplify right side
    1,277,449.46x = 975,065,030,850.59
  5. Step 5: Solve for x
    x = 975,065,030,850.59/1,277,449.46
  6. Step 6: Final answer
    x = 763,290.50

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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.