Home / 1,210,040.16-1,669,824.90-666,170.52

Finding the Fourth Proportional to 1,210,040.16, 1,669,824.90 and 666,170.52

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Solution

The fourth proportional to 1,210,040.16, 1,669,824.90 and 666,170.52 is: 919,298.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,040.16 : 1,669,824.90 = 666,170.52 : x
  2. Step 2: Convert to fraction form
    1,210,040.16/1,669,824.90 = 666,170.52/x
  3. Step 3: Cross multiply
    1,210,040.16x = 1,669,824.90 × 666,170.52
  4. Step 4: Simplify right side
    1,210,040.16x = 1,112,388,121,941.95
  5. Step 5: Solve for x
    x = 1,112,388,121,941.95/1,210,040.16
  6. Step 6: Final answer
    x = 919,298.51

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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.