Home / 1,842,475.70-2,763,971.54-644,125.45

Finding the Fourth Proportional to 1,842,475.70, 2,763,971.54 and 644,125.45

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Solution

The fourth proportional to 1,842,475.70, 2,763,971.54 and 644,125.45 is: 966,278.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842,475.70 : 2,763,971.54 = 644,125.45 : x
  2. Step 2: Convert to fraction form
    1,842,475.70/2,763,971.54 = 644,125.45/x
  3. Step 3: Cross multiply
    1,842,475.70x = 2,763,971.54 × 644,125.45
  4. Step 4: Simplify right side
    1,842,475.70x = 1,780,344,420,509.94
  5. Step 5: Solve for x
    x = 1,780,344,420,509.94/1,842,475.70
  6. Step 6: Final answer
    x = 966,278.37

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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.