Home / 1,107,827.13-1,662,020.64-309,108.18

Finding the Fourth Proportional to 1,107,827.13, 1,662,020.64 and 309,108.18

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Solution

The fourth proportional to 1,107,827.13, 1,662,020.64 and 309,108.18 is: 463,740.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,827.13 : 1,662,020.64 = 309,108.18 : x
  2. Step 2: Convert to fraction form
    1,107,827.13/1,662,020.64 = 309,108.18/x
  3. Step 3: Cross multiply
    1,107,827.13x = 1,662,020.64 × 309,108.18
  4. Step 4: Simplify right side
    1,107,827.13x = 513,744,175,152.84
  5. Step 5: Solve for x
    x = 513,744,175,152.84/1,107,827.13
  6. Step 6: Final answer
    x = 463,740.38

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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.