Home / 1,172,117-1,758,243.66-452,462.78

Finding the Fourth Proportional to 1,172,117, 1,758,243.66 and 452,462.78

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Solution

The fourth proportional to 1,172,117, 1,758,243.66 and 452,462.78 is: 678,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,117 : 1,758,243.66 = 452,462.78 : x
  2. Step 2: Convert to fraction form
    1,172,117/1,758,243.66 = 452,462.78/x
  3. Step 3: Cross multiply
    1,172,117x = 1,758,243.66 × 452,462.78
  4. Step 4: Simplify right side
    1,172,117x = 795,539,814,320.98
  5. Step 5: Solve for x
    x = 795,539,814,320.98/1,172,117
  6. Step 6: Final answer
    x = 678,720.48

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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.