Home / 1,325,897.45-1,989,713.46-727,280.02

Finding the Fourth Proportional to 1,325,897.45, 1,989,713.46 and 727,280.02

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Solution

The fourth proportional to 1,325,897.45, 1,989,713.46 and 727,280.02 is: 1,091,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,897.45 : 1,989,713.46 = 727,280.02 : x
  2. Step 2: Convert to fraction form
    1,325,897.45/1,989,713.46 = 727,280.02/x
  3. Step 3: Cross multiply
    1,325,897.45x = 1,989,713.46 × 727,280.02
  4. Step 4: Simplify right side
    1,325,897.45x = 1,447,078,839,005.37
  5. Step 5: Solve for x
    x = 1,447,078,839,005.37/1,325,897.45
  6. Step 6: Final answer
    x = 1,091,395.74

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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.