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Finding the Fourth Proportional to 1,123,776, 1,685,665.62 and 458,928

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Solution

The fourth proportional to 1,123,776, 1,685,665.62 and 458,928 is: 688,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,776 : 1,685,665.62 = 458,928 : x
  2. Step 2: Convert to fraction form
    1,123,776/1,685,665.62 = 458,928/x
  3. Step 3: Cross multiply
    1,123,776x = 1,685,665.62 × 458,928
  4. Step 4: Simplify right side
    1,123,776x = 773,599,151,655.36
  5. Step 5: Solve for x
    x = 773,599,151,655.36/1,123,776
  6. Step 6: Final answer
    x = 688,392.66

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