Home / 1,190,102.40-1,642,335.24-646,233.42

Finding the Fourth Proportional to 1,190,102.40, 1,642,335.24 and 646,233.42

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Solution

The fourth proportional to 1,190,102.40, 1,642,335.24 and 646,233.42 is: 891,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,102.40 : 1,642,335.24 = 646,233.42 : x
  2. Step 2: Convert to fraction form
    1,190,102.40/1,642,335.24 = 646,233.42/x
  3. Step 3: Cross multiply
    1,190,102.40x = 1,642,335.24 × 646,233.42
  4. Step 4: Simplify right side
    1,190,102.40x = 1,061,331,918,931.72
  5. Step 5: Solve for x
    x = 1,061,331,918,931.72/1,190,102.40
  6. Step 6: Final answer
    x = 891,798.82

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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.