Home / 1,155,842.99-1,595,232.54-665,718.30

Finding the Fourth Proportional to 1,155,842.99, 1,595,232.54 and 665,718.30

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Solution

The fourth proportional to 1,155,842.99, 1,595,232.54 and 665,718.30 is: 918,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,842.99 : 1,595,232.54 = 665,718.30 : x
  2. Step 2: Convert to fraction form
    1,155,842.99/1,595,232.54 = 665,718.30/x
  3. Step 3: Cross multiply
    1,155,842.99x = 1,595,232.54 × 665,718.30
  4. Step 4: Simplify right side
    1,155,842.99x = 1,061,975,494,633.48
  5. Step 5: Solve for x
    x = 1,061,975,494,633.48/1,155,842.99
  6. Step 6: Final answer
    x = 918,788.72

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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.