Home / 1,340,814.30-2,011,318.65-807,186.30

Finding the Fourth Proportional to 1,340,814.30, 2,011,318.65 and 807,186.30

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Solution

The fourth proportional to 1,340,814.30, 2,011,318.65 and 807,186.30 is: 1,210,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,814.30 : 2,011,318.65 = 807,186.30 : x
  2. Step 2: Convert to fraction form
    1,340,814.30/2,011,318.65 = 807,186.30/x
  3. Step 3: Cross multiply
    1,340,814.30x = 2,011,318.65 × 807,186.30
  4. Step 4: Simplify right side
    1,340,814.30x = 1,623,508,859,214.50
  5. Step 5: Solve for x
    x = 1,623,508,859,214.50/1,340,814.30
  6. Step 6: Final answer
    x = 1,210,837.97

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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.