Home / 1,202,869.50-1,659,959.94-666,325.50

Finding the Fourth Proportional to 1,202,869.50, 1,659,959.94 and 666,325.50

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Solution

The fourth proportional to 1,202,869.50, 1,659,959.94 and 666,325.50 is: 919,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,869.50 : 1,659,959.94 = 666,325.50 : x
  2. Step 2: Convert to fraction form
    1,202,869.50/1,659,959.94 = 666,325.50/x
  3. Step 3: Cross multiply
    1,202,869.50x = 1,659,959.94 × 666,325.50
  4. Step 4: Simplify right side
    1,202,869.50x = 1,106,073,637,000.47
  5. Step 5: Solve for x
    x = 1,106,073,637,000.47/1,202,869.50
  6. Step 6: Final answer
    x = 919,529.21

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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.