Home / 1,209,857.40-1,812,599.10-704,004.30

Finding the Fourth Proportional to 1,209,857.40, 1,812,599.10 and 704,004.30

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Solution

The fourth proportional to 1,209,857.40, 1,812,599.10 and 704,004.30 is: 1,054,733.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,857.40 : 1,812,599.10 = 704,004.30 : x
  2. Step 2: Convert to fraction form
    1,209,857.40/1,812,599.10 = 704,004.30/x
  3. Step 3: Cross multiply
    1,209,857.40x = 1,812,599.10 × 704,004.30
  4. Step 4: Simplify right side
    1,209,857.40x = 1,276,077,560,576.13
  5. Step 5: Solve for x
    x = 1,276,077,560,576.13/1,209,857.40
  6. Step 6: Final answer
    x = 1,054,733.86

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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.