Home / 1,005,133.44-1,387,088.64-552,453.60

Finding the Fourth Proportional to 1,005,133.44, 1,387,088.64 and 552,453.60

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Solution

The fourth proportional to 1,005,133.44, 1,387,088.64 and 552,453.60 is: 762,388.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,133.44 : 1,387,088.64 = 552,453.60 : x
  2. Step 2: Convert to fraction form
    1,005,133.44/1,387,088.64 = 552,453.60/x
  3. Step 3: Cross multiply
    1,005,133.44x = 1,387,088.64 × 552,453.60
  4. Step 4: Simplify right side
    1,005,133.44x = 766,302,112,687.10
  5. Step 5: Solve for x
    x = 766,302,112,687.10/1,005,133.44
  6. Step 6: Final answer
    x = 762,388.44

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1.5x scale

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.