Home / 1,382,129.90-2,073,299.80-471,029.20

Finding the Fourth Proportional to 1,382,129.90, 2,073,299.80 and 471,029.20

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Solution

The fourth proportional to 1,382,129.90, 2,073,299.80 and 471,029.20 is: 706,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,129.90 : 2,073,299.80 = 471,029.20 : x
  2. Step 2: Convert to fraction form
    1,382,129.90/2,073,299.80 = 471,029.20/x
  3. Step 3: Cross multiply
    1,382,129.90x = 2,073,299.80 × 471,029.20
  4. Step 4: Simplify right side
    1,382,129.90x = 976,584,746,154.16
  5. Step 5: Solve for x
    x = 976,584,746,154.16/1,382,129.90
  6. Step 6: Final answer
    x = 706,579.57

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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.