Home / 1,011,972.92-1,396,519.36-553,087.47

Finding the Fourth Proportional to 1,011,972.92, 1,396,519.36 and 553,087.47

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Solution

The fourth proportional to 1,011,972.92, 1,396,519.36 and 553,087.47 is: 763,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,972.92 : 1,396,519.36 = 553,087.47 : x
  2. Step 2: Convert to fraction form
    1,011,972.92/1,396,519.36 = 553,087.47/x
  3. Step 3: Cross multiply
    1,011,972.92x = 1,396,519.36 × 553,087.47
  4. Step 4: Simplify right side
    1,011,972.92x = 772,397,349,880.39
  5. Step 5: Solve for x
    x = 772,397,349,880.39/1,011,972.92
  6. Step 6: Final answer
    x = 763,258.91

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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.