Home / 1,370,707.75-1,891,314.12-887,205.79

Finding the Fourth Proportional to 1,370,707.75, 1,891,314.12 and 887,205.79

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Solution

The fourth proportional to 1,370,707.75, 1,891,314.12 and 887,205.79 is: 1,224,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,707.75 : 1,891,314.12 = 887,205.79 : x
  2. Step 2: Convert to fraction form
    1,370,707.75/1,891,314.12 = 887,205.79/x
  3. Step 3: Cross multiply
    1,370,707.75x = 1,891,314.12 × 887,205.79
  4. Step 4: Simplify right side
    1,370,707.75x = 1,677,984,837,972.76
  5. Step 5: Solve for x
    x = 1,677,984,837,972.76/1,370,707.75
  6. Step 6: Final answer
    x = 1,224,174.04

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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.