Home / 1,431,980.42-1,975,641.23-887,920.43

Finding the Fourth Proportional to 1,431,980.42, 1,975,641.23 and 887,920.43

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Solution

The fourth proportional to 1,431,980.42, 1,975,641.23 and 887,920.43 is: 1,225,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,980.42 : 1,975,641.23 = 887,920.43 : x
  2. Step 2: Convert to fraction form
    1,431,980.42/1,975,641.23 = 887,920.43/x
  3. Step 3: Cross multiply
    1,431,980.42x = 1,975,641.23 × 887,920.43
  4. Step 4: Simplify right side
    1,431,980.42x = 1,754,212,206,027.73
  5. Step 5: Solve for x
    x = 1,754,212,206,027.73/1,431,980.42
  6. Step 6: Final answer
    x = 1,225,025.27

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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.