Home / 1,025,405.55-1,538,436.91-717,977.77

Finding the Fourth Proportional to 1,025,405.55, 1,538,436.91 and 717,977.77

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Solution

The fourth proportional to 1,025,405.55, 1,538,436.91 and 717,977.77 is: 1,077,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,405.55 : 1,538,436.91 = 717,977.77 : x
  2. Step 2: Convert to fraction form
    1,025,405.55/1,538,436.91 = 717,977.77/x
  3. Step 3: Cross multiply
    1,025,405.55x = 1,538,436.91 × 717,977.77
  4. Step 4: Simplify right side
    1,025,405.55x = 1,104,563,496,286.45
  5. Step 5: Solve for x
    x = 1,104,563,496,286.45/1,025,405.55
  6. Step 6: Final answer
    x = 1,077,196.72

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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.