Home / 1,005,355.84-1,387,355.88-552,643.60

Finding the Fourth Proportional to 1,005,355.84, 1,387,355.88 and 552,643.60

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Solution

The fourth proportional to 1,005,355.84, 1,387,355.88 and 552,643.60 is: 762,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,355.84 : 1,387,355.88 = 552,643.60 : x
  2. Step 2: Convert to fraction form
    1,005,355.84/1,387,355.88 = 552,643.60/x
  3. Step 3: Cross multiply
    1,005,355.84x = 1,387,355.88 × 552,643.60
  4. Step 4: Simplify right side
    1,005,355.84x = 766,713,348,004.37
  5. Step 5: Solve for x
    x = 766,713,348,004.37/1,005,355.84
  6. Step 6: Final answer
    x = 762,628.83

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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.