Home / 1,549,165.40-2,137,844.03-860,834.55

Finding the Fourth Proportional to 1,549,165.40, 2,137,844.03 and 860,834.55

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Solution

The fourth proportional to 1,549,165.40, 2,137,844.03 and 860,834.55 is: 1,187,949.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,165.40 : 2,137,844.03 = 860,834.55 : x
  2. Step 2: Convert to fraction form
    1,549,165.40/2,137,844.03 = 860,834.55/x
  3. Step 3: Cross multiply
    1,549,165.40x = 2,137,844.03 × 860,834.55
  4. Step 4: Simplify right side
    1,549,165.40x = 1,840,329,999,231.06
  5. Step 5: Solve for x
    x = 1,840,329,999,231.06/1,549,165.40
  6. Step 6: Final answer
    x = 1,187,949.33

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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.