Home / 1,207,008.54-1,665,699.66-663,178.32

Finding the Fourth Proportional to 1,207,008.54, 1,665,699.66 and 663,178.32

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Solution

The fourth proportional to 1,207,008.54, 1,665,699.66 and 663,178.32 is: 915,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,008.54 : 1,665,699.66 = 663,178.32 : x
  2. Step 2: Convert to fraction form
    1,207,008.54/1,665,699.66 = 663,178.32/x
  3. Step 3: Cross multiply
    1,207,008.54x = 1,665,699.66 × 663,178.32
  4. Step 4: Simplify right side
    1,207,008.54x = 1,104,655,902,143.37
  5. Step 5: Solve for x
    x = 1,104,655,902,143.37/1,207,008.54
  6. Step 6: Final answer
    x = 915,201.40

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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.