Home / 1,214,605.38-1,676,855.10-807,259.62

Finding the Fourth Proportional to 1,214,605.38, 1,676,855.10 and 807,259.62

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Solution

The fourth proportional to 1,214,605.38, 1,676,855.10 and 807,259.62 is: 1,114,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,605.38 : 1,676,855.10 = 807,259.62 : x
  2. Step 2: Convert to fraction form
    1,214,605.38/1,676,855.10 = 807,259.62/x
  3. Step 3: Cross multiply
    1,214,605.38x = 1,676,855.10 × 807,259.62
  4. Step 4: Simplify right side
    1,214,605.38x = 1,353,657,410,821.06
  5. Step 5: Solve for x
    x = 1,353,657,410,821.06/1,214,605.38
  6. Step 6: Final answer
    x = 1,114,483.30

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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.