Home / 1,210,060.49-1,669,820.06-666,090.03

Finding the Fourth Proportional to 1,210,060.49, 1,669,820.06 and 666,090.03

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Solution

The fourth proportional to 1,210,060.49, 1,669,820.06 and 666,090.03 is: 919,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,060.49 : 1,669,820.06 = 666,090.03 : x
  2. Step 2: Convert to fraction form
    1,210,060.49/1,669,820.06 = 666,090.03/x
  3. Step 3: Cross multiply
    1,210,060.49x = 1,669,820.06 × 666,090.03
  4. Step 4: Simplify right side
    1,210,060.49x = 1,112,250,490,529.55
  5. Step 5: Solve for x
    x = 1,112,250,490,529.55/1,210,060.49
  6. Step 6: Final answer
    x = 919,169.33

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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.