Home / 1,382,143.90-2,073,320.80-471,043.20

Finding the Fourth Proportional to 1,382,143.90, 2,073,320.80 and 471,043.20

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Solution

The fourth proportional to 1,382,143.90, 2,073,320.80 and 471,043.20 is: 706,600.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,143.90 : 2,073,320.80 = 471,043.20 : x
  2. Step 2: Convert to fraction form
    1,382,143.90/2,073,320.80 = 471,043.20/x
  3. Step 3: Cross multiply
    1,382,143.90x = 2,073,320.80 × 471,043.20
  4. Step 4: Simplify right side
    1,382,143.90x = 976,623,664,258.56
  5. Step 5: Solve for x
    x = 976,623,664,258.56/1,382,143.90
  6. Step 6: Final answer
    x = 706,600.57

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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.