Home / 1,620,439.02-2,236,015.23-895,243.49

Finding the Fourth Proportional to 1,620,439.02, 2,236,015.23 and 895,243.49

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Solution

The fourth proportional to 1,620,439.02, 2,236,015.23 and 895,243.49 is: 1,235,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,439.02 : 2,236,015.23 = 895,243.49 : x
  2. Step 2: Convert to fraction form
    1,620,439.02/2,236,015.23 = 895,243.49/x
  3. Step 3: Cross multiply
    1,620,439.02x = 2,236,015.23 × 895,243.49
  4. Step 4: Simplify right side
    1,620,439.02x = 2,001,778,072,046.17
  5. Step 5: Solve for x
    x = 2,001,778,072,046.17/1,620,439.02
  6. Step 6: Final answer
    x = 1,235,330.70

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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.