Home / 1,213,261.40-1,820,110.80-503,361.20

Finding the Fourth Proportional to 1,213,261.40, 1,820,110.80 and 503,361.20

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Solution

The fourth proportional to 1,213,261.40, 1,820,110.80 and 503,361.20 is: 755,132.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,261.40 : 1,820,110.80 = 503,361.20 : x
  2. Step 2: Convert to fraction form
    1,213,261.40/1,820,110.80 = 503,361.20/x
  3. Step 3: Cross multiply
    1,213,261.40x = 1,820,110.80 × 503,361.20
  4. Step 4: Simplify right side
    1,213,261.40x = 916,173,156,420.96
  5. Step 5: Solve for x
    x = 916,173,156,420.96/1,213,261.40
  6. Step 6: Final answer
    x = 755,132.53

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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.