Home / 1,271,062.69-1,753,639.74-719,703.18

Finding the Fourth Proportional to 1,271,062.69, 1,753,639.74 and 719,703.18

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Solution

The fourth proportional to 1,271,062.69, 1,753,639.74 and 719,703.18 is: 992,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,062.69 : 1,753,639.74 = 719,703.18 : x
  2. Step 2: Convert to fraction form
    1,271,062.69/1,753,639.74 = 719,703.18/x
  3. Step 3: Cross multiply
    1,271,062.69x = 1,753,639.74 × 719,703.18
  4. Step 4: Simplify right side
    1,271,062.69x = 1,262,100,097,452.37
  5. Step 5: Solve for x
    x = 1,262,100,097,452.37/1,271,062.69
  6. Step 6: Final answer
    x = 992,948.74

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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.