Home / 1,327,731.48-1,984,038.75-996,939.79

Finding the Fourth Proportional to 1,327,731.48, 1,984,038.75 and 996,939.79

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Solution

The fourth proportional to 1,327,731.48, 1,984,038.75 and 996,939.79 is: 1,489,734.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,731.48 : 1,984,038.75 = 996,939.79 : x
  2. Step 2: Convert to fraction form
    1,327,731.48/1,984,038.75 = 996,939.79/x
  3. Step 3: Cross multiply
    1,327,731.48x = 1,984,038.75 × 996,939.79
  4. Step 4: Simplify right side
    1,327,731.48x = 1,977,967,169,816.77
  5. Step 5: Solve for x
    x = 1,977,967,169,816.77/1,327,731.48
  6. Step 6: Final answer
    x = 1,489,734.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.