Home / 1,828,139.60-2,742,464.55-762,937.49

Finding the Fourth Proportional to 1,828,139.60, 2,742,464.55 and 762,937.49

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Solution

The fourth proportional to 1,828,139.60, 2,742,464.55 and 762,937.49 is: 1,144,512.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828,139.60 : 2,742,464.55 = 762,937.49 : x
  2. Step 2: Convert to fraction form
    1,828,139.60/2,742,464.55 = 762,937.49/x
  3. Step 3: Cross multiply
    1,828,139.60x = 2,742,464.55 × 762,937.49
  4. Step 4: Simplify right side
    1,828,139.60x = 2,092,329,020,190.98
  5. Step 5: Solve for x
    x = 2,092,329,020,190.98/1,828,139.60
  6. Step 6: Final answer
    x = 1,144,512.72

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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.