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Finding the Fourth Proportional to 1,009,053, 1,392,504.03 and 550,163.84

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Solution

The fourth proportional to 1,009,053, 1,392,504.03 and 550,163.84 is: 759,232.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,053 : 1,392,504.03 = 550,163.84 : x
  2. Step 2: Convert to fraction form
    1,009,053/1,392,504.03 = 550,163.84/x
  3. Step 3: Cross multiply
    1,009,053x = 1,392,504.03 × 550,163.84
  4. Step 4: Simplify right side
    1,009,053x = 766,105,357,397.76
  5. Step 5: Solve for x
    x = 766,105,357,397.76/1,009,053
  6. Step 6: Final answer
    x = 759,232.03

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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.