Home / 1,213,459.80-1,822,814.10-859,165.80

Finding the Fourth Proportional to 1,213,459.80, 1,822,814.10 and 859,165.80

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Solution

The fourth proportional to 1,213,459.80, 1,822,814.10 and 859,165.80 is: 1,290,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,459.80 : 1,822,814.10 = 859,165.80 : x
  2. Step 2: Convert to fraction form
    1,213,459.80/1,822,814.10 = 859,165.80/x
  3. Step 3: Cross multiply
    1,213,459.80x = 1,822,814.10 × 859,165.80
  4. Step 4: Simplify right side
    1,213,459.80x = 1,566,099,534,477.78
  5. Step 5: Solve for x
    x = 1,566,099,534,477.78/1,213,459.80
  6. Step 6: Final answer
    x = 1,290,606.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.