Home / 1,245,551.10-1,868,229.45-487,245.30

Finding the Fourth Proportional to 1,245,551.10, 1,868,229.45 and 487,245.30

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Solution

The fourth proportional to 1,245,551.10, 1,868,229.45 and 487,245.30 is: 730,829.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,551.10 : 1,868,229.45 = 487,245.30 : x
  2. Step 2: Convert to fraction form
    1,245,551.10/1,868,229.45 = 487,245.30/x
  3. Step 3: Cross multiply
    1,245,551.10x = 1,868,229.45 × 487,245.30
  4. Step 4: Simplify right side
    1,245,551.10x = 910,286,018,834.09
  5. Step 5: Solve for x
    x = 910,286,018,834.09/1,245,551.10
  6. Step 6: Final answer
    x = 730,829.93

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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.