Home / 1,020,608.68-1,530,856.72-310,581.31

Finding the Fourth Proportional to 1,020,608.68, 1,530,856.72 and 310,581.31

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Solution

The fourth proportional to 1,020,608.68, 1,530,856.72 and 310,581.31 is: 465,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,608.68 : 1,530,856.72 = 310,581.31 : x
  2. Step 2: Convert to fraction form
    1,020,608.68/1,530,856.72 = 310,581.31/x
  3. Step 3: Cross multiply
    1,020,608.68x = 1,530,856.72 × 310,581.31
  4. Step 4: Simplify right side
    1,020,608.68x = 475,455,485,519.90
  5. Step 5: Solve for x
    x = 475,455,485,519.90/1,020,608.68
  6. Step 6: Final answer
    x = 465,854.83

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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.