Home / 1,505,719.68-2,077,827.84-826,667.52

Finding the Fourth Proportional to 1,505,719.68, 2,077,827.84 and 826,667.52

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Solution

The fourth proportional to 1,505,719.68, 2,077,827.84 and 826,667.52 is: 1,140,765.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,719.68 : 2,077,827.84 = 826,667.52 : x
  2. Step 2: Convert to fraction form
    1,505,719.68/2,077,827.84 = 826,667.52/x
  3. Step 3: Cross multiply
    1,505,719.68x = 2,077,827.84 × 826,667.52
  4. Step 4: Simplify right side
    1,505,719.68x = 1,717,672,787,479.76
  5. Step 5: Solve for x
    x = 1,717,672,787,479.76/1,505,719.68
  6. Step 6: Final answer
    x = 1,140,765.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.