Home / 862,206.08-1,189,432.32-669,903.44

Finding the Fourth Proportional to 862,206.08, 1,189,432.32 and 669,903.44

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Solution

The fourth proportional to 862,206.08, 1,189,432.32 and 669,903.44 is: 924,146.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,206.08 : 1,189,432.32 = 669,903.44 : x
  2. Step 2: Convert to fraction form
    862,206.08/1,189,432.32 = 669,903.44/x
  3. Step 3: Cross multiply
    862,206.08x = 1,189,432.32 × 669,903.44
  4. Step 4: Simplify right side
    862,206.08x = 796,804,802,815.18
  5. Step 5: Solve for x
    x = 796,804,802,815.18/862,206.08
  6. Step 6: Final answer
    x = 924,146.58

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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.