Home / 1,014,211.76-1,399,568.96-555,318

Finding the Fourth Proportional to 1,014,211.76, 1,399,568.96 and 555,318

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Solution

The fourth proportional to 1,014,211.76, 1,399,568.96 and 555,318 is: 766,315.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,211.76 : 1,399,568.96 = 555,318 : x
  2. Step 2: Convert to fraction form
    1,014,211.76/1,399,568.96 = 555,318/x
  3. Step 3: Cross multiply
    1,014,211.76x = 1,399,568.96 × 555,318
  4. Step 4: Simplify right side
    1,014,211.76x = 777,205,835,729.28
  5. Step 5: Solve for x
    x = 777,205,835,729.28/1,014,211.76
  6. Step 6: Final answer
    x = 766,315.15

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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.