Home / 1,138,439.01-1,571,047.36-654,994.46

Finding the Fourth Proportional to 1,138,439.01, 1,571,047.36 and 654,994.46

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Solution

The fourth proportional to 1,138,439.01, 1,571,047.36 and 654,994.46 is: 903,893.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,439.01 : 1,571,047.36 = 654,994.46 : x
  2. Step 2: Convert to fraction form
    1,138,439.01/1,571,047.36 = 654,994.46/x
  3. Step 3: Cross multiply
    1,138,439.01x = 1,571,047.36 × 654,994.46
  4. Step 4: Simplify right side
    1,138,439.01x = 1,029,027,309,342.39
  5. Step 5: Solve for x
    x = 1,029,027,309,342.39/1,138,439.01
  6. Step 6: Final answer
    x = 903,893.23

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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.