Home / 1,090,313.52-1,635,684.24-380,364.72

Finding the Fourth Proportional to 1,090,313.52, 1,635,684.24 and 380,364.72

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Solution

The fourth proportional to 1,090,313.52, 1,635,684.24 and 380,364.72 is: 570,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,313.52 : 1,635,684.24 = 380,364.72 : x
  2. Step 2: Convert to fraction form
    1,090,313.52/1,635,684.24 = 380,364.72/x
  3. Step 3: Cross multiply
    1,090,313.52x = 1,635,684.24 × 380,364.72
  4. Step 4: Simplify right side
    1,090,313.52x = 622,156,577,956.01
  5. Step 5: Solve for x
    x = 622,156,577,956.01/1,090,313.52
  6. Step 6: Final answer
    x = 570,621.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.