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Finding the Fourth Proportional to 1,698,978.30, 2,344,179.92 and 1,001,287.80

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Solution

The fourth proportional to 1,698,978.30, 2,344,179.92 and 1,001,287.80 is: 1,381,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,978.30 : 2,344,179.92 = 1,001,287.80 : x
  2. Step 2: Convert to fraction form
    1,698,978.30/2,344,179.92 = 1,001,287.80/x
  3. Step 3: Cross multiply
    1,698,978.30x = 2,344,179.92 × 1,001,287.80
  4. Step 4: Simplify right side
    1,698,978.30x = 2,347,198,759,303.77
  5. Step 5: Solve for x
    x = 2,347,198,759,303.77/1,698,978.30
  6. Step 6: Final answer
    x = 1,381,535.45

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Why These Related Problems?

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