Home / 1,555,066.70-2,146,002.06-866,782.26

Finding the Fourth Proportional to 1,555,066.70, 2,146,002.06 and 866,782.26

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Solution

The fourth proportional to 1,555,066.70, 2,146,002.06 and 866,782.26 is: 1,196,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,066.70 : 2,146,002.06 = 866,782.26 : x
  2. Step 2: Convert to fraction form
    1,555,066.70/2,146,002.06 = 866,782.26/x
  3. Step 3: Cross multiply
    1,555,066.70x = 2,146,002.06 × 866,782.26
  4. Step 4: Simplify right side
    1,555,066.70x = 1,860,116,515,531.46
  5. Step 5: Solve for x
    x = 1,860,116,515,531.46/1,555,066.70
  6. Step 6: Final answer
    x = 1,196,165.10

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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.