Home / 1,104,909-1,657,358.78-306,188.25

Finding the Fourth Proportional to 1,104,909, 1,657,358.78 and 306,188.25

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Solution

The fourth proportional to 1,104,909, 1,657,358.78 and 306,188.25 is: 459,281.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,909 : 1,657,358.78 = 306,188.25 : x
  2. Step 2: Convert to fraction form
    1,104,909/1,657,358.78 = 306,188.25/x
  3. Step 3: Cross multiply
    1,104,909x = 1,657,358.78 × 306,188.25
  4. Step 4: Simplify right side
    1,104,909x = 507,463,782,939.39
  5. Step 5: Solve for x
    x = 507,463,782,939.39/1,104,909
  6. Step 6: Final answer
    x = 459,281.07

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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.