Home / 1,555,051.08-2,146,145.22-866,785.80

Finding the Fourth Proportional to 1,555,051.08, 2,146,145.22 and 866,785.80

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Solution

The fourth proportional to 1,555,051.08, 2,146,145.22 and 866,785.80 is: 1,196,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,051.08 : 2,146,145.22 = 866,785.80 : x
  2. Step 2: Convert to fraction form
    1,555,051.08/2,146,145.22 = 866,785.80/x
  3. Step 3: Cross multiply
    1,555,051.08x = 2,146,145.22 × 866,785.80
  4. Step 4: Simplify right side
    1,555,051.08x = 1,860,248,201,433.88
  5. Step 5: Solve for x
    x = 1,860,248,201,433.88/1,555,051.08
  6. Step 6: Final answer
    x = 1,196,261.80

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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.