Home / 887,433.36-1,224,811.90-857,908.86

Finding the Fourth Proportional to 887,433.36, 1,224,811.90 and 857,908.86

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Solution

The fourth proportional to 887,433.36, 1,224,811.90 and 857,908.86 is: 1,184,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,433.36 : 1,224,811.90 = 857,908.86 : x
  2. Step 2: Convert to fraction form
    887,433.36/1,224,811.90 = 857,908.86/x
  3. Step 3: Cross multiply
    887,433.36x = 1,224,811.90 × 857,908.86
  4. Step 4: Simplify right side
    887,433.36x = 1,050,776,980,843.43
  5. Step 5: Solve for x
    x = 1,050,776,980,843.43/887,433.36
  6. Step 6: Final answer
    x = 1,184,062.97

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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.