Home / 1,709,151.72-2,563,724.30-644,432.68

Finding the Fourth Proportional to 1,709,151.72, 2,563,724.30 and 644,432.68

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Solution

The fourth proportional to 1,709,151.72, 2,563,724.30 and 644,432.68 is: 966,647.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,151.72 : 2,563,724.30 = 644,432.68 : x
  2. Step 2: Convert to fraction form
    1,709,151.72/2,563,724.30 = 644,432.68/x
  3. Step 3: Cross multiply
    1,709,151.72x = 2,563,724.30 × 644,432.68
  4. Step 4: Simplify right side
    1,709,151.72x = 1,652,147,721,430.12
  5. Step 5: Solve for x
    x = 1,652,147,721,430.12/1,709,151.72
  6. Step 6: Final answer
    x = 966,647.78

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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.