Home / 883,407.70-1,325,111.55-823,921.30

Finding the Fourth Proportional to 883,407.70, 1,325,111.55 and 823,921.30

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Solution

The fourth proportional to 883,407.70, 1,325,111.55 and 823,921.30 is: 1,235,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,407.70 : 1,325,111.55 = 823,921.30 : x
  2. Step 2: Convert to fraction form
    883,407.70/1,325,111.55 = 823,921.30/x
  3. Step 3: Cross multiply
    883,407.70x = 1,325,111.55 × 823,921.30
  4. Step 4: Simplify right side
    883,407.70x = 1,091,787,630,921.02
  5. Step 5: Solve for x
    x = 1,091,787,630,921.02/883,407.70
  6. Step 6: Final answer
    x = 1,235,881.95

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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.