Home / 1,370,673.75-1,891,267.29-887,171.79

Finding the Fourth Proportional to 1,370,673.75, 1,891,267.29 and 887,171.79

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Solution

The fourth proportional to 1,370,673.75, 1,891,267.29 and 887,171.79 is: 1,224,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,673.75 : 1,891,267.29 = 887,171.79 : x
  2. Step 2: Convert to fraction form
    1,370,673.75/1,891,267.29 = 887,171.79/x
  3. Step 3: Cross multiply
    1,370,673.75x = 1,891,267.29 × 887,171.79
  4. Step 4: Simplify right side
    1,370,673.75x = 1,677,878,987,037.75
  5. Step 5: Solve for x
    x = 1,677,878,987,037.75/1,370,673.75
  6. Step 6: Final answer
    x = 1,224,127.18

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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.