Home / 1,338,361.55-2,007,543.54-1,101,205.70

Finding the Fourth Proportional to 1,338,361.55, 2,007,543.54 and 1,101,205.70

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Solution

The fourth proportional to 1,338,361.55, 2,007,543.54 and 1,101,205.70 is: 1,651,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,361.55 : 2,007,543.54 = 1,101,205.70 : x
  2. Step 2: Convert to fraction form
    1,338,361.55/2,007,543.54 = 1,101,205.70/x
  3. Step 3: Cross multiply
    1,338,361.55x = 2,007,543.54 × 1,101,205.70
  4. Step 4: Simplify right side
    1,338,361.55x = 2,210,718,389,246.18
  5. Step 5: Solve for x
    x = 2,210,718,389,246.18/1,338,361.55
  6. Step 6: Final answer
    x = 1,651,809.55

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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.