Home / 1,087,404.10-1,631,106.15-926,440.90

Finding the Fourth Proportional to 1,087,404.10, 1,631,106.15 and 926,440.90

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Solution

The fourth proportional to 1,087,404.10, 1,631,106.15 and 926,440.90 is: 1,389,661.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,404.10 : 1,631,106.15 = 926,440.90 : x
  2. Step 2: Convert to fraction form
    1,087,404.10/1,631,106.15 = 926,440.90/x
  3. Step 3: Cross multiply
    1,087,404.10x = 1,631,106.15 × 926,440.90
  4. Step 4: Simplify right side
    1,087,404.10x = 1,511,123,449,601.54
  5. Step 5: Solve for x
    x = 1,511,123,449,601.54/1,087,404.10
  6. Step 6: Final answer
    x = 1,389,661.35

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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.