Home / 1,572,002.20-2,356,448.10-772,629.40

Finding the Fourth Proportional to 1,572,002.20, 2,356,448.10 and 772,629.40

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Solution

The fourth proportional to 1,572,002.20, 2,356,448.10 and 772,629.40 is: 1,158,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,002.20 : 2,356,448.10 = 772,629.40 : x
  2. Step 2: Convert to fraction form
    1,572,002.20/2,356,448.10 = 772,629.40/x
  3. Step 3: Cross multiply
    1,572,002.20x = 2,356,448.10 × 772,629.40
  4. Step 4: Simplify right side
    1,572,002.20x = 1,820,661,081,634.14
  5. Step 5: Solve for x
    x = 1,820,661,081,634.14/1,572,002.20
  6. Step 6: Final answer
    x = 1,158,179.73

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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.