Home / 1,020,882.24-1,530,879.54-310,743.90

Finding the Fourth Proportional to 1,020,882.24, 1,530,879.54 and 310,743.90

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Solution

The fourth proportional to 1,020,882.24, 1,530,879.54 and 310,743.90 is: 465,980.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,882.24 : 1,530,879.54 = 310,743.90 : x
  2. Step 2: Convert to fraction form
    1,020,882.24/1,530,879.54 = 310,743.90/x
  3. Step 3: Cross multiply
    1,020,882.24x = 1,530,879.54 × 310,743.90
  4. Step 4: Simplify right side
    1,020,882.24x = 475,711,478,689.81
  5. Step 5: Solve for x
    x = 475,711,478,689.81/1,020,882.24
  6. Step 6: Final answer
    x = 465,980.76

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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.