Home / 1,021,374.78-1,409,443.20-585,769.65

Finding the Fourth Proportional to 1,021,374.78, 1,409,443.20 and 585,769.65

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Solution

The fourth proportional to 1,021,374.78, 1,409,443.20 and 585,769.65 is: 808,331.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,374.78 : 1,409,443.20 = 585,769.65 : x
  2. Step 2: Convert to fraction form
    1,021,374.78/1,409,443.20 = 585,769.65/x
  3. Step 3: Cross multiply
    1,021,374.78x = 1,409,443.20 × 585,769.65
  4. Step 4: Simplify right side
    1,021,374.78x = 825,609,049,958.88
  5. Step 5: Solve for x
    x = 825,609,049,958.88/1,021,374.78
  6. Step 6: Final answer
    x = 808,331.15

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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.