Home / 1,051,391.20-1,577,475.60-1,012,511.20

Finding the Fourth Proportional to 1,051,391.20, 1,577,475.60 and 1,012,511.20

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Solution

The fourth proportional to 1,051,391.20, 1,577,475.60 and 1,012,511.20 is: 1,519,141.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,391.20 : 1,577,475.60 = 1,012,511.20 : x
  2. Step 2: Convert to fraction form
    1,051,391.20/1,577,475.60 = 1,012,511.20/x
  3. Step 3: Cross multiply
    1,051,391.20x = 1,577,475.60 × 1,012,511.20
  4. Step 4: Simplify right side
    1,051,391.20x = 1,597,211,712,726.72
  5. Step 5: Solve for x
    x = 1,597,211,712,726.72/1,051,391.20
  6. Step 6: Final answer
    x = 1,519,141.22

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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.