Home / 1,246,979.19-1,720,830.32-674,019.36

Finding the Fourth Proportional to 1,246,979.19, 1,720,830.32 and 674,019.36

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Solution

The fourth proportional to 1,246,979.19, 1,720,830.32 and 674,019.36 is: 930,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,979.19 : 1,720,830.32 = 674,019.36 : x
  2. Step 2: Convert to fraction form
    1,246,979.19/1,720,830.32 = 674,019.36/x
  3. Step 3: Cross multiply
    1,246,979.19x = 1,720,830.32 × 674,019.36
  4. Step 4: Simplify right side
    1,246,979.19x = 1,159,872,951,927.41
  5. Step 5: Solve for x
    x = 1,159,872,951,927.41/1,246,979.19
  6. Step 6: Final answer
    x = 930,146.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.