Home / 1,155,842.24-1,595,231.51-665,717.55

Finding the Fourth Proportional to 1,155,842.24, 1,595,231.51 and 665,717.55

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Solution

The fourth proportional to 1,155,842.24, 1,595,231.51 and 665,717.55 is: 918,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,842.24 : 1,595,231.51 = 665,717.55 : x
  2. Step 2: Convert to fraction form
    1,155,842.24/1,595,231.51 = 665,717.55/x
  3. Step 3: Cross multiply
    1,155,842.24x = 1,595,231.51 × 665,717.55
  4. Step 4: Simplify right side
    1,155,842.24x = 1,061,973,603,209.29
  5. Step 5: Solve for x
    x = 1,061,973,603,209.29/1,155,842.24
  6. Step 6: Final answer
    x = 918,787.68

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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.