Home / 1,014,231.30-1,399,639.28-555,374.80

Finding the Fourth Proportional to 1,014,231.30, 1,399,639.28 and 555,374.80

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Solution

The fourth proportional to 1,014,231.30, 1,399,639.28 and 555,374.80 is: 766,417.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,231.30 : 1,399,639.28 = 555,374.80 : x
  2. Step 2: Convert to fraction form
    1,014,231.30/1,399,639.28 = 555,374.80/x
  3. Step 3: Cross multiply
    1,014,231.30x = 1,399,639.28 × 555,374.80
  4. Step 4: Simplify right side
    1,014,231.30x = 777,324,385,202.14
  5. Step 5: Solve for x
    x = 777,324,385,202.14/1,014,231.30
  6. Step 6: Final answer
    x = 766,417.27

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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.