Home / 1,150,589.96-1,587,815.89-641,281.40

Finding the Fourth Proportional to 1,150,589.96, 1,587,815.89 and 641,281.40

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Solution

The fourth proportional to 1,150,589.96, 1,587,815.89 and 641,281.40 is: 884,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,589.96 : 1,587,815.89 = 641,281.40 : x
  2. Step 2: Convert to fraction form
    1,150,589.96/1,587,815.89 = 641,281.40/x
  3. Step 3: Cross multiply
    1,150,589.96x = 1,587,815.89 × 641,281.40
  4. Step 4: Simplify right side
    1,150,589.96x = 1,018,236,796,881.45
  5. Step 5: Solve for x
    x = 1,018,236,796,881.45/1,150,589.96
  6. Step 6: Final answer
    x = 884,969.30

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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.