Home / 1,207,342.72-1,666,338.24-698,354.56

Finding the Fourth Proportional to 1,207,342.72, 1,666,338.24 and 698,354.56

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Solution

The fourth proportional to 1,207,342.72, 1,666,338.24 and 698,354.56 is: 963,848.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,342.72 : 1,666,338.24 = 698,354.56 : x
  2. Step 2: Convert to fraction form
    1,207,342.72/1,666,338.24 = 698,354.56/x
  3. Step 3: Cross multiply
    1,207,342.72x = 1,666,338.24 × 698,354.56
  4. Step 4: Simplify right side
    1,207,342.72x = 1,163,694,908,406.37
  5. Step 5: Solve for x
    x = 1,163,694,908,406.37/1,207,342.72
  6. Step 6: Final answer
    x = 963,848.04

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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.