Home / 1,268,459.86-1,903,007.31-369,901.70

Finding the Fourth Proportional to 1,268,459.86, 1,903,007.31 and 369,901.70

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Solution

The fourth proportional to 1,268,459.86, 1,903,007.31 and 369,901.70 is: 554,945.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,459.86 : 1,903,007.31 = 369,901.70 : x
  2. Step 2: Convert to fraction form
    1,268,459.86/1,903,007.31 = 369,901.70/x
  3. Step 3: Cross multiply
    1,268,459.86x = 1,903,007.31 × 369,901.70
  4. Step 4: Simplify right side
    1,268,459.86x = 703,925,627,716.88
  5. Step 5: Solve for x
    x = 703,925,627,716.88/1,268,459.86
  6. Step 6: Final answer
    x = 554,945.13

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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.