Home / 1,232,896.47-1,701,391.30-689,031.69

Finding the Fourth Proportional to 1,232,896.47, 1,701,391.30 and 689,031.69

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Solution

The fourth proportional to 1,232,896.47, 1,701,391.30 and 689,031.69 is: 950,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,896.47 : 1,701,391.30 = 689,031.69 : x
  2. Step 2: Convert to fraction form
    1,232,896.47/1,701,391.30 = 689,031.69/x
  3. Step 3: Cross multiply
    1,232,896.47x = 1,701,391.30 × 689,031.69
  4. Step 4: Simplify right side
    1,232,896.47x = 1,172,312,522,790.30
  5. Step 5: Solve for x
    x = 1,172,312,522,790.30/1,232,896.47
  6. Step 6: Final answer
    x = 950,860.47

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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.