Home / 1,212,132.60-1,818,053.10-502,086.60

Finding the Fourth Proportional to 1,212,132.60, 1,818,053.10 and 502,086.60

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Solution

The fourth proportional to 1,212,132.60, 1,818,053.10 and 502,086.60 is: 753,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,132.60 : 1,818,053.10 = 502,086.60 : x
  2. Step 2: Convert to fraction form
    1,212,132.60/1,818,053.10 = 502,086.60/x
  3. Step 3: Cross multiply
    1,212,132.60x = 1,818,053.10 × 502,086.60
  4. Step 4: Simplify right side
    1,212,132.60x = 912,820,099,598.46
  5. Step 5: Solve for x
    x = 912,820,099,598.46/1,212,132.60
  6. Step 6: Final answer
    x = 753,069.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.