Home / 1,347,345.10-2,021,298.45-449,065.90

Finding the Fourth Proportional to 1,347,345.10, 2,021,298.45 and 449,065.90

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Solution

The fourth proportional to 1,347,345.10, 2,021,298.45 and 449,065.90 is: 673,692.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,345.10 : 2,021,298.45 = 449,065.90 : x
  2. Step 2: Convert to fraction form
    1,347,345.10/2,021,298.45 = 449,065.90/x
  3. Step 3: Cross multiply
    1,347,345.10x = 2,021,298.45 × 449,065.90
  4. Step 4: Simplify right side
    1,347,345.10x = 907,696,207,617.86
  5. Step 5: Solve for x
    x = 907,696,207,617.86/1,347,345.10
  6. Step 6: Final answer
    x = 673,692.44

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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.