Home / 1,278,497.92-1,916,398.59-425,341.06

Finding the Fourth Proportional to 1,278,497.92, 1,916,398.59 and 425,341.06

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Solution

The fourth proportional to 1,278,497.92, 1,916,398.59 and 425,341.06 is: 637,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,497.92 : 1,916,398.59 = 425,341.06 : x
  2. Step 2: Convert to fraction form
    1,278,497.92/1,916,398.59 = 425,341.06/x
  3. Step 3: Cross multiply
    1,278,497.92x = 1,916,398.59 × 425,341.06
  4. Step 4: Simplify right side
    1,278,497.92x = 815,123,007,653.11
  5. Step 5: Solve for x
    x = 815,123,007,653.11/1,278,497.92
  6. Step 6: Final answer
    x = 637,563.03

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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.