Home / 1,790,390.28-2,471,260.32-1,170,285.52

Finding the Fourth Proportional to 1,790,390.28, 2,471,260.32 and 1,170,285.52

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Solution

The fourth proportional to 1,790,390.28, 2,471,260.32 and 1,170,285.52 is: 1,615,335.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,390.28 : 2,471,260.32 = 1,170,285.52 : x
  2. Step 2: Convert to fraction form
    1,790,390.28/2,471,260.32 = 1,170,285.52/x
  3. Step 3: Cross multiply
    1,790,390.28x = 2,471,260.32 × 1,170,285.52
  4. Step 4: Simplify right side
    1,790,390.28x = 2,892,080,168,646.57
  5. Step 5: Solve for x
    x = 2,892,080,168,646.57/1,790,390.28
  6. Step 6: Final answer
    x = 1,615,335.05

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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.