Home / 1,345,323.38-1,856,080.52-862,154.94

Finding the Fourth Proportional to 1,345,323.38, 1,856,080.52 and 862,154.94

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Solution

The fourth proportional to 1,345,323.38, 1,856,080.52 and 862,154.94 is: 1,189,475.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,323.38 : 1,856,080.52 = 862,154.94 : x
  2. Step 2: Convert to fraction form
    1,345,323.38/1,856,080.52 = 862,154.94/x
  3. Step 3: Cross multiply
    1,345,323.38x = 1,856,080.52 × 862,154.94
  4. Step 4: Simplify right side
    1,345,323.38x = 1,600,228,987,593.34
  5. Step 5: Solve for x
    x = 1,600,228,987,593.34/1,345,323.38
  6. Step 6: Final answer
    x = 1,189,475.34

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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.