Home / 1,370,677.50-1,891,272.51-887,175.54

Finding the Fourth Proportional to 1,370,677.50, 1,891,272.51 and 887,175.54

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Solution

The fourth proportional to 1,370,677.50, 1,891,272.51 and 887,175.54 is: 1,224,132.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,677.50 : 1,891,272.51 = 887,175.54 : x
  2. Step 2: Convert to fraction form
    1,370,677.50/1,891,272.51 = 887,175.54/x
  3. Step 3: Cross multiply
    1,370,677.50x = 1,891,272.51 × 887,175.54
  4. Step 4: Simplify right side
    1,370,677.50x = 1,677,890,710,346.41
  5. Step 5: Solve for x
    x = 1,677,890,710,346.41/1,370,677.50
  6. Step 6: Final answer
    x = 1,224,132.38

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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.