Home / 1,155,842.49-1,595,231.85-665,717.80

Finding the Fourth Proportional to 1,155,842.49, 1,595,231.85 and 665,717.80

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Solution

The fourth proportional to 1,155,842.49, 1,595,231.85 and 665,717.80 is: 918,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,842.49 : 1,595,231.85 = 665,717.80 : x
  2. Step 2: Convert to fraction form
    1,155,842.49/1,595,231.85 = 665,717.80/x
  3. Step 3: Cross multiply
    1,155,842.49x = 1,595,231.85 × 665,717.80
  4. Step 4: Simplify right side
    1,155,842.49x = 1,061,974,233,683.85
  5. Step 5: Solve for x
    x = 1,061,974,233,683.85/1,155,842.49
  6. Step 6: Final answer
    x = 918,788.02

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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.