Home / 1,087,993.94-1,500,806.30-679,386.47

Finding the Fourth Proportional to 1,087,993.94, 1,500,806.30 and 679,386.47

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Solution

The fourth proportional to 1,087,993.94, 1,500,806.30 and 679,386.47 is: 937,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,993.94 : 1,500,806.30 = 679,386.47 : x
  2. Step 2: Convert to fraction form
    1,087,993.94/1,500,806.30 = 679,386.47/x
  3. Step 3: Cross multiply
    1,087,993.94x = 1,500,806.30 × 679,386.47
  4. Step 4: Simplify right side
    1,087,993.94x = 1,019,627,499,761.24
  5. Step 5: Solve for x
    x = 1,019,627,499,761.24/1,087,993.94
  6. Step 6: Final answer
    x = 937,162.85

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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.