Home / 1,213,231.40-1,820,065.80-503,331.20

Finding the Fourth Proportional to 1,213,231.40, 1,820,065.80 and 503,331.20

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Solution

The fourth proportional to 1,213,231.40, 1,820,065.80 and 503,331.20 is: 755,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,231.40 : 1,820,065.80 = 503,331.20 : x
  2. Step 2: Convert to fraction form
    1,213,231.40/1,820,065.80 = 503,331.20/x
  3. Step 3: Cross multiply
    1,213,231.40x = 1,820,065.80 × 503,331.20
  4. Step 4: Simplify right side
    1,213,231.40x = 916,095,903,192.96
  5. Step 5: Solve for x
    x = 916,095,903,192.96/1,213,231.40
  6. Step 6: Final answer
    x = 755,087.53

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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.