Home / 1,382,041.18-1,907,132.92-761,819.19

Finding the Fourth Proportional to 1,382,041.18, 1,907,132.92 and 761,819.19

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Solution

The fourth proportional to 1,382,041.18, 1,907,132.92 and 761,819.19 is: 1,051,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,041.18 : 1,907,132.92 = 761,819.19 : x
  2. Step 2: Convert to fraction form
    1,382,041.18/1,907,132.92 = 761,819.19/x
  3. Step 3: Cross multiply
    1,382,041.18x = 1,907,132.92 × 761,819.19
  4. Step 4: Simplify right side
    1,382,041.18x = 1,452,890,456,336.73
  5. Step 5: Solve for x
    x = 1,452,890,456,336.73/1,382,041.18
  6. Step 6: Final answer
    x = 1,051,264.23

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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.