Home / 1,090,708.96-1,635,276.08-459,278.24

Finding the Fourth Proportional to 1,090,708.96, 1,635,276.08 and 459,278.24

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Solution

The fourth proportional to 1,090,708.96, 1,635,276.08 and 459,278.24 is: 688,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,708.96 : 1,635,276.08 = 459,278.24 : x
  2. Step 2: Convert to fraction form
    1,090,708.96/1,635,276.08 = 459,278.24/x
  3. Step 3: Cross multiply
    1,090,708.96x = 1,635,276.08 × 459,278.24
  4. Step 4: Simplify right side
    1,090,708.96x = 751,046,719,936.50
  5. Step 5: Solve for x
    x = 751,046,719,936.50/1,090,708.96
  6. Step 6: Final answer
    x = 688,585.82

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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.