Home / 1,010,976.78-1,516,937.66-442,284.18

Finding the Fourth Proportional to 1,010,976.78, 1,516,937.66 and 442,284.18

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Solution

The fourth proportional to 1,010,976.78, 1,516,937.66 and 442,284.18 is: 663,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,976.78 : 1,516,937.66 = 442,284.18 : x
  2. Step 2: Convert to fraction form
    1,010,976.78/1,516,937.66 = 442,284.18/x
  3. Step 3: Cross multiply
    1,010,976.78x = 1,516,937.66 × 442,284.18
  4. Step 4: Simplify right side
    1,010,976.78x = 670,917,526,852.80
  5. Step 5: Solve for x
    x = 670,917,526,852.80/1,010,976.78
  6. Step 6: Final answer
    x = 663,632.97

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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.