Home / 1,275,595.32-1,913,436.72-675,744.96

Finding the Fourth Proportional to 1,275,595.32, 1,913,436.72 and 675,744.96

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Solution

The fourth proportional to 1,275,595.32, 1,913,436.72 and 675,744.96 is: 1,013,640.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,595.32 : 1,913,436.72 = 675,744.96 : x
  2. Step 2: Convert to fraction form
    1,275,595.32/1,913,436.72 = 675,744.96/x
  3. Step 3: Cross multiply
    1,275,595.32x = 1,913,436.72 × 675,744.96
  4. Step 4: Simplify right side
    1,275,595.32x = 1,292,995,216,440.21
  5. Step 5: Solve for x
    x = 1,292,995,216,440.21/1,275,595.32
  6. Step 6: Final answer
    x = 1,013,640.61

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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.