Home / 1,268,036.56-1,902,035.64-308,501.20

Finding the Fourth Proportional to 1,268,036.56, 1,902,035.64 and 308,501.20

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Solution

The fourth proportional to 1,268,036.56, 1,902,035.64 and 308,501.20 is: 462,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,036.56 : 1,902,035.64 = 308,501.20 : x
  2. Step 2: Convert to fraction form
    1,268,036.56/1,902,035.64 = 308,501.20/x
  3. Step 3: Cross multiply
    1,268,036.56x = 1,902,035.64 × 308,501.20
  4. Step 4: Simplify right side
    1,268,036.56x = 586,780,277,382.77
  5. Step 5: Solve for x
    x = 586,780,277,382.77/1,268,036.56
  6. Step 6: Final answer
    x = 462,747.13

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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.