Home / 1,224,885.48-1,690,289.38-681,020.52

Finding the Fourth Proportional to 1,224,885.48, 1,690,289.38 and 681,020.52

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Solution

The fourth proportional to 1,224,885.48, 1,690,289.38 and 681,020.52 is: 939,779.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,885.48 : 1,690,289.38 = 681,020.52 : x
  2. Step 2: Convert to fraction form
    1,224,885.48/1,690,289.38 = 681,020.52/x
  3. Step 3: Cross multiply
    1,224,885.48x = 1,690,289.38 × 681,020.52
  4. Step 4: Simplify right side
    1,224,885.48x = 1,151,121,752,518.08
  5. Step 5: Solve for x
    x = 1,151,121,752,518.08/1,224,885.48
  6. Step 6: Final answer
    x = 939,779.08

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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.