Home / 1,505,329.22-2,077,336.72-817,002.30

Finding the Fourth Proportional to 1,505,329.22, 2,077,336.72 and 817,002.30

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Solution

The fourth proportional to 1,505,329.22, 2,077,336.72 and 817,002.30 is: 1,127,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,329.22 : 2,077,336.72 = 817,002.30 : x
  2. Step 2: Convert to fraction form
    1,505,329.22/2,077,336.72 = 817,002.30/x
  3. Step 3: Cross multiply
    1,505,329.22x = 2,077,336.72 × 817,002.30
  4. Step 4: Simplify right side
    1,505,329.22x = 1,697,188,878,114.46
  5. Step 5: Solve for x
    x = 1,697,188,878,114.46/1,505,329.22
  6. Step 6: Final answer
    x = 1,127,453.62

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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.