Home / 1,087,640.60-1,631,460.90-926,677.40

Finding the Fourth Proportional to 1,087,640.60, 1,631,460.90 and 926,677.40

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Solution

The fourth proportional to 1,087,640.60, 1,631,460.90 and 926,677.40 is: 1,390,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,640.60 : 1,631,460.90 = 926,677.40 : x
  2. Step 2: Convert to fraction form
    1,087,640.60/1,631,460.90 = 926,677.40/x
  3. Step 3: Cross multiply
    1,087,640.60x = 1,631,460.90 × 926,677.40
  4. Step 4: Simplify right side
    1,087,640.60x = 1,511,837,945,013.66
  5. Step 5: Solve for x
    x = 1,511,837,945,013.66/1,087,640.60
  6. Step 6: Final answer
    x = 1,390,016.10

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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.