Home / 1,073,980.06-1,482,145.70-666,213.30

Finding the Fourth Proportional to 1,073,980.06, 1,482,145.70 and 666,213.30

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Solution

The fourth proportional to 1,073,980.06, 1,482,145.70 and 666,213.30 is: 919,407.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,980.06 : 1,482,145.70 = 666,213.30 : x
  2. Step 2: Convert to fraction form
    1,073,980.06/1,482,145.70 = 666,213.30/x
  3. Step 3: Cross multiply
    1,073,980.06x = 1,482,145.70 × 666,213.30
  4. Step 4: Simplify right side
    1,073,980.06x = 987,425,177,877.81
  5. Step 5: Solve for x
    x = 987,425,177,877.81/1,073,980.06
  6. Step 6: Final answer
    x = 919,407.37

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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.