Home / 1,557,317.46-2,148,594.87-868,877.70

Finding the Fourth Proportional to 1,557,317.46, 2,148,594.87 and 868,877.70

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Solution

The fourth proportional to 1,557,317.46, 2,148,594.87 and 868,877.70 is: 1,198,770.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,317.46 : 2,148,594.87 = 868,877.70 : x
  2. Step 2: Convert to fraction form
    1,557,317.46/2,148,594.87 = 868,877.70/x
  3. Step 3: Cross multiply
    1,557,317.46x = 2,148,594.87 × 868,877.70
  4. Step 4: Simplify right side
    1,557,317.46x = 1,866,866,168,877.40
  5. Step 5: Solve for x
    x = 1,866,866,168,877.40/1,557,317.46
  6. Step 6: Final answer
    x = 1,198,770.46

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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.