Home / 1,133,191.04-1,563,775.32-643,252.04

Finding the Fourth Proportional to 1,133,191.04, 1,563,775.32 and 643,252.04

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Solution

The fourth proportional to 1,133,191.04, 1,563,775.32 and 643,252.04 is: 887,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,191.04 : 1,563,775.32 = 643,252.04 : x
  2. Step 2: Convert to fraction form
    1,133,191.04/1,563,775.32 = 643,252.04/x
  3. Step 3: Cross multiply
    1,133,191.04x = 1,563,775.32 × 643,252.04
  4. Step 4: Simplify right side
    1,133,191.04x = 1,005,901,664,691.65
  5. Step 5: Solve for x
    x = 1,005,901,664,691.65/1,133,191.04
  6. Step 6: Final answer
    x = 887,671.74

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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.