Home / 1,415,223.12-1,952,748.90-803,400.96

Finding the Fourth Proportional to 1,415,223.12, 1,952,748.90 and 803,400.96

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Solution

The fourth proportional to 1,415,223.12, 1,952,748.90 and 803,400.96 is: 1,108,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,223.12 : 1,952,748.90 = 803,400.96 : x
  2. Step 2: Convert to fraction form
    1,415,223.12/1,952,748.90 = 803,400.96/x
  3. Step 3: Cross multiply
    1,415,223.12x = 1,952,748.90 × 803,400.96
  4. Step 4: Simplify right side
    1,415,223.12x = 1,568,840,340,898.94
  5. Step 5: Solve for x
    x = 1,568,840,340,898.94/1,415,223.12
  6. Step 6: Final answer
    x = 1,108,546.29

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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.