Home / 1,225,574.88-1,691,293.26-689,030.88

Finding the Fourth Proportional to 1,225,574.88, 1,691,293.26 and 689,030.88

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Solution

The fourth proportional to 1,225,574.88, 1,691,293.26 and 689,030.88 is: 950,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,574.88 : 1,691,293.26 = 689,030.88 : x
  2. Step 2: Convert to fraction form
    1,225,574.88/1,691,293.26 = 689,030.88/x
  3. Step 3: Cross multiply
    1,225,574.88x = 1,691,293.26 × 689,030.88
  4. Step 4: Simplify right side
    1,225,574.88x = 1,165,353,283,275.87
  5. Step 5: Solve for x
    x = 1,165,353,283,275.87/1,225,574.88
  6. Step 6: Final answer
    x = 950,862.57

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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.