Home / 1,270,635.14-1,753,533.69-761,326.58

Finding the Fourth Proportional to 1,270,635.14, 1,753,533.69 and 761,326.58

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Solution

The fourth proportional to 1,270,635.14, 1,753,533.69 and 761,326.58 is: 1,050,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,635.14 : 1,753,533.69 = 761,326.58 : x
  2. Step 2: Convert to fraction form
    1,270,635.14/1,753,533.69 = 761,326.58/x
  3. Step 3: Cross multiply
    1,270,635.14x = 1,753,533.69 × 761,326.58
  4. Step 4: Simplify right side
    1,270,635.14x = 1,335,011,807,122.48
  5. Step 5: Solve for x
    x = 1,335,011,807,122.48/1,270,635.14
  6. Step 6: Final answer
    x = 1,050,664.95

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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.