Home / 1,074,443.87-1,481,973.84-912,182.12

Finding the Fourth Proportional to 1,074,443.87, 1,481,973.84 and 912,182.12

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Solution

The fourth proportional to 1,074,443.87, 1,481,973.84 and 912,182.12 is: 1,258,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,443.87 : 1,481,973.84 = 912,182.12 : x
  2. Step 2: Convert to fraction form
    1,074,443.87/1,481,973.84 = 912,182.12/x
  3. Step 3: Cross multiply
    1,074,443.87x = 1,481,973.84 × 912,182.12
  4. Step 4: Simplify right side
    1,074,443.87x = 1,351,830,039,155.74
  5. Step 5: Solve for x
    x = 1,351,830,039,155.74/1,074,443.87
  6. Step 6: Final answer
    x = 1,258,167.20

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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.