Home / 912,705.52-1,375,219.78-756,262.93

Finding the Fourth Proportional to 912,705.52, 1,375,219.78 and 756,262.93

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Solution

The fourth proportional to 912,705.52, 1,375,219.78 and 756,262.93 is: 1,139,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,705.52 : 1,375,219.78 = 756,262.93 : x
  2. Step 2: Convert to fraction form
    912,705.52/1,375,219.78 = 756,262.93/x
  3. Step 3: Cross multiply
    912,705.52x = 1,375,219.78 × 756,262.93
  4. Step 4: Simplify right side
    912,705.52x = 1,040,027,740,216.76
  5. Step 5: Solve for x
    x = 1,040,027,740,216.76/912,705.52
  6. Step 6: Final answer
    x = 1,139,499.78

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.