Home / 1,107,707.02-1,661,412.90-308,921.68

Finding the Fourth Proportional to 1,107,707.02, 1,661,412.90 and 308,921.68

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Solution

The fourth proportional to 1,107,707.02, 1,661,412.90 and 308,921.68 is: 463,341.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,707.02 : 1,661,412.90 = 308,921.68 : x
  2. Step 2: Convert to fraction form
    1,107,707.02/1,661,412.90 = 308,921.68/x
  3. Step 3: Cross multiply
    1,107,707.02x = 1,661,412.90 × 308,921.68
  4. Step 4: Simplify right side
    1,107,707.02x = 513,246,464,241.67
  5. Step 5: Solve for x
    x = 513,246,464,241.67/1,107,707.02
  6. Step 6: Final answer
    x = 463,341.35

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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.