Home / 1,146,758.64-1,720,143.47-348,047.12

Finding the Fourth Proportional to 1,146,758.64, 1,720,143.47 and 348,047.12

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Solution

The fourth proportional to 1,146,758.64, 1,720,143.47 and 348,047.12 is: 522,072.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,758.64 : 1,720,143.47 = 348,047.12 : x
  2. Step 2: Convert to fraction form
    1,146,758.64/1,720,143.47 = 348,047.12/x
  3. Step 3: Cross multiply
    1,146,758.64x = 1,720,143.47 × 348,047.12
  4. Step 4: Simplify right side
    1,146,758.64x = 598,690,970,379.35
  5. Step 5: Solve for x
    x = 598,690,970,379.35/1,146,758.64
  6. Step 6: Final answer
    x = 522,072.34

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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.