Home / 1,268,619.17-1,749,000.84-1,007,839.76

Finding the Fourth Proportional to 1,268,619.17, 1,749,000.84 and 1,007,839.76

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Solution

The fourth proportional to 1,268,619.17, 1,749,000.84 and 1,007,839.76 is: 1,389,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,619.17 : 1,749,000.84 = 1,007,839.76 : x
  2. Step 2: Convert to fraction form
    1,268,619.17/1,749,000.84 = 1,007,839.76/x
  3. Step 3: Cross multiply
    1,268,619.17x = 1,749,000.84 × 1,007,839.76
  4. Step 4: Simplify right side
    1,268,619.17x = 1,762,712,578,080.39
  5. Step 5: Solve for x
    x = 1,762,712,578,080.39/1,268,619.17
  6. Step 6: Final answer
    x = 1,389,473.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.