Home / 1,020,693.11-1,530,811.31-300,881.24

Finding the Fourth Proportional to 1,020,693.11, 1,530,811.31 and 300,881.24

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Solution

The fourth proportional to 1,020,693.11, 1,530,811.31 and 300,881.24 is: 451,254.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,693.11 : 1,530,811.31 = 300,881.24 : x
  2. Step 2: Convert to fraction form
    1,020,693.11/1,530,811.31 = 300,881.24/x
  3. Step 3: Cross multiply
    1,020,693.11x = 1,530,811.31 × 300,881.24
  4. Step 4: Simplify right side
    1,020,693.11x = 460,592,404,279.59
  5. Step 5: Solve for x
    x = 460,592,404,279.59/1,020,693.11
  6. Step 6: Final answer
    x = 451,254.55

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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.