Home / 1,555,048.08-2,146,141.08-866,782.80

Finding the Fourth Proportional to 1,555,048.08, 2,146,141.08 and 866,782.80

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Solution

The fourth proportional to 1,555,048.08, 2,146,141.08 and 866,782.80 is: 1,196,257.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,048.08 : 2,146,141.08 = 866,782.80 : x
  2. Step 2: Convert to fraction form
    1,555,048.08/2,146,141.08 = 866,782.80/x
  3. Step 3: Cross multiply
    1,555,048.08x = 2,146,141.08 × 866,782.80
  4. Step 4: Simplify right side
    1,555,048.08x = 1,860,238,174,517.42
  5. Step 5: Solve for x
    x = 1,860,238,174,517.42/1,555,048.08
  6. Step 6: Final answer
    x = 1,196,257.66

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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.