Home / 1,381,292.52-1,906,477.74-928,321.08

Finding the Fourth Proportional to 1,381,292.52, 1,906,477.74 and 928,321.08

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Solution

The fourth proportional to 1,381,292.52, 1,906,477.74 and 928,321.08 is: 1,281,280.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,292.52 : 1,906,477.74 = 928,321.08 : x
  2. Step 2: Convert to fraction form
    1,381,292.52/1,906,477.74 = 928,321.08/x
  3. Step 3: Cross multiply
    1,381,292.52x = 1,906,477.74 × 928,321.08
  4. Step 4: Simplify right side
    1,381,292.52x = 1,769,823,474,592.76
  5. Step 5: Solve for x
    x = 1,769,823,474,592.76/1,381,292.52
  6. Step 6: Final answer
    x = 1,281,280.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.