Home / 1,368,004.95-2,052,227.95-421,374.76

Finding the Fourth Proportional to 1,368,004.95, 2,052,227.95 and 421,374.76

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Solution

The fourth proportional to 1,368,004.95, 2,052,227.95 and 421,374.76 is: 632,130.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,004.95 : 2,052,227.95 = 421,374.76 : x
  2. Step 2: Convert to fraction form
    1,368,004.95/2,052,227.95 = 421,374.76/x
  3. Step 3: Cross multiply
    1,368,004.95x = 2,052,227.95 × 421,374.76
  4. Step 4: Simplify right side
    1,368,004.95x = 864,757,053,712.54
  5. Step 5: Solve for x
    x = 864,757,053,712.54/1,368,004.95
  6. Step 6: Final answer
    x = 632,130.06

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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.