Home / 1,172,376.96-1,758,562.72-770,108.40

Finding the Fourth Proportional to 1,172,376.96, 1,758,562.72 and 770,108.40

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Solution

The fourth proportional to 1,172,376.96, 1,758,562.72 and 770,108.40 is: 1,155,160.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,376.96 : 1,758,562.72 = 770,108.40 : x
  2. Step 2: Convert to fraction form
    1,172,376.96/1,758,562.72 = 770,108.40/x
  3. Step 3: Cross multiply
    1,172,376.96x = 1,758,562.72 × 770,108.40
  4. Step 4: Simplify right side
    1,172,376.96x = 1,354,283,922,598.85
  5. Step 5: Solve for x
    x = 1,354,283,922,598.85/1,172,376.96
  6. Step 6: Final answer
    x = 1,155,160.81

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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.