Home / 1,431,971.42-1,976,191.50-888,282.40

Finding the Fourth Proportional to 1,431,971.42, 1,976,191.50 and 888,282.40

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Solution

The fourth proportional to 1,431,971.42, 1,976,191.50 and 888,282.40 is: 1,225,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,971.42 : 1,976,191.50 = 888,282.40 : x
  2. Step 2: Convert to fraction form
    1,431,971.42/1,976,191.50 = 888,282.40/x
  3. Step 3: Cross multiply
    1,431,971.42x = 1,976,191.50 × 888,282.40
  4. Step 4: Simplify right side
    1,431,971.42x = 1,755,416,128,479.60
  5. Step 5: Solve for x
    x = 1,755,416,128,479.60/1,431,971.42
  6. Step 6: Final answer
    x = 1,225,873.72

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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.