Home / 1,275,643.38-1,913,508.81-675,793.02

Finding the Fourth Proportional to 1,275,643.38, 1,913,508.81 and 675,793.02

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Solution

The fourth proportional to 1,275,643.38, 1,913,508.81 and 675,793.02 is: 1,013,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,643.38 : 1,913,508.81 = 675,793.02 : x
  2. Step 2: Convert to fraction form
    1,275,643.38/1,913,508.81 = 675,793.02/x
  3. Step 3: Cross multiply
    1,275,643.38x = 1,913,508.81 × 675,793.02
  4. Step 4: Simplify right side
    1,275,643.38x = 1,293,135,897,506.51
  5. Step 5: Solve for x
    x = 1,293,135,897,506.51/1,275,643.38
  6. Step 6: Final answer
    x = 1,013,712.70

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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.