Home / 1,285,645.95-1,928,290.50-900,226.17

Finding the Fourth Proportional to 1,285,645.95, 1,928,290.50 and 900,226.17

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Solution

The fourth proportional to 1,285,645.95, 1,928,290.50 and 900,226.17 is: 1,350,214.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,645.95 : 1,928,290.50 = 900,226.17 : x
  2. Step 2: Convert to fraction form
    1,285,645.95/1,928,290.50 = 900,226.17/x
  3. Step 3: Cross multiply
    1,285,645.95x = 1,928,290.50 × 900,226.17
  4. Step 4: Simplify right side
    1,285,645.95x = 1,735,897,571,462.39
  5. Step 5: Solve for x
    x = 1,735,897,571,462.39/1,285,645.95
  6. Step 6: Final answer
    x = 1,350,214.32

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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.