Home / 1,212,742.88-1,818,744.36-502,603.92

Finding the Fourth Proportional to 1,212,742.88, 1,818,744.36 and 502,603.92

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Solution

The fourth proportional to 1,212,742.88, 1,818,744.36 and 502,603.92 is: 753,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,742.88 : 1,818,744.36 = 502,603.92 : x
  2. Step 2: Convert to fraction form
    1,212,742.88/1,818,744.36 = 502,603.92/x
  3. Step 3: Cross multiply
    1,212,742.88x = 1,818,744.36 × 502,603.92
  4. Step 4: Simplify right side
    1,212,742.88x = 914,108,044,813.89
  5. Step 5: Solve for x
    x = 914,108,044,813.89/1,212,742.88
  6. Step 6: Final answer
    x = 753,752.56

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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.