Home / 1,090,502.50-1,635,902.79-380,424.10

Finding the Fourth Proportional to 1,090,502.50, 1,635,902.79 and 380,424.10

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Solution

The fourth proportional to 1,090,502.50, 1,635,902.79 and 380,424.10 is: 570,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,502.50 : 1,635,902.79 = 380,424.10 : x
  2. Step 2: Convert to fraction form
    1,090,502.50/1,635,902.79 = 380,424.10/x
  3. Step 3: Cross multiply
    1,090,502.50x = 1,635,902.79 × 380,424.10
  4. Step 4: Simplify right side
    1,090,502.50x = 622,336,846,573.24
  5. Step 5: Solve for x
    x = 622,336,846,573.24/1,090,502.50
  6. Step 6: Final answer
    x = 570,688.14

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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.