Home / 1,268,280.51-1,904,318.37-1,098,028.76

Finding the Fourth Proportional to 1,268,280.51, 1,904,318.37 and 1,098,028.76

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Solution

The fourth proportional to 1,268,280.51, 1,904,318.37 and 1,098,028.76 is: 1,648,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,280.51 : 1,904,318.37 = 1,098,028.76 : x
  2. Step 2: Convert to fraction form
    1,268,280.51/1,904,318.37 = 1,098,028.76/x
  3. Step 3: Cross multiply
    1,268,280.51x = 1,904,318.37 × 1,098,028.76
  4. Step 4: Simplify right side
    1,268,280.51x = 2,090,996,328,934.73
  5. Step 5: Solve for x
    x = 2,090,996,328,934.73/1,268,280.51
  6. Step 6: Final answer
    x = 1,648,686.01

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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.