Home / 1,210,060.48-1,669,820.06-666,090.02

Finding the Fourth Proportional to 1,210,060.48, 1,669,820.06 and 666,090.02

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Solution

The fourth proportional to 1,210,060.48, 1,669,820.06 and 666,090.02 is: 919,169.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,060.48 : 1,669,820.06 = 666,090.02 : x
  2. Step 2: Convert to fraction form
    1,210,060.48/1,669,820.06 = 666,090.02/x
  3. Step 3: Cross multiply
    1,210,060.48x = 1,669,820.06 × 666,090.02
  4. Step 4: Simplify right side
    1,210,060.48x = 1,112,250,477,161.80
  5. Step 5: Solve for x
    x = 1,112,250,477,161.80/1,210,060.48
  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.