Home / 1,015,989.22-1,402,128.30-563,280.22

Finding the Fourth Proportional to 1,015,989.22, 1,402,128.30 and 563,280.22

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Solution

The fourth proportional to 1,015,989.22, 1,402,128.30 and 563,280.22 is: 777,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,989.22 : 1,402,128.30 = 563,280.22 : x
  2. Step 2: Convert to fraction form
    1,015,989.22/1,402,128.30 = 563,280.22/x
  3. Step 3: Cross multiply
    1,015,989.22x = 1,402,128.30 × 563,280.22
  4. Step 4: Simplify right side
    1,015,989.22x = 789,791,137,292.23
  5. Step 5: Solve for x
    x = 789,791,137,292.23/1,015,989.22
  6. Step 6: Final answer
    x = 777,361.73

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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.