Home / 1,038,302.30-1,554,829.05-681,383.90

Finding the Fourth Proportional to 1,038,302.30, 1,554,829.05 and 681,383.90

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Solution

The fourth proportional to 1,038,302.30, 1,554,829.05 and 681,383.90 is: 1,020,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,302.30 : 1,554,829.05 = 681,383.90 : x
  2. Step 2: Convert to fraction form
    1,038,302.30/1,554,829.05 = 681,383.90/x
  3. Step 3: Cross multiply
    1,038,302.30x = 1,554,829.05 × 681,383.90
  4. Step 4: Simplify right side
    1,038,302.30x = 1,059,435,481,922.30
  5. Step 5: Solve for x
    x = 1,059,435,481,922.30/1,038,302.30
  6. Step 6: Final answer
    x = 1,020,353.59

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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.