Home / 1,074,370.76-1,611,739.74-442,939.40

Finding the Fourth Proportional to 1,074,370.76, 1,611,739.74 and 442,939.40

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Solution

The fourth proportional to 1,074,370.76, 1,611,739.74 and 442,939.40 is: 664,484.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,370.76 : 1,611,739.74 = 442,939.40 : x
  2. Step 2: Convert to fraction form
    1,074,370.76/1,611,739.74 = 442,939.40/x
  3. Step 3: Cross multiply
    1,074,370.76x = 1,611,739.74 × 442,939.40
  4. Step 4: Simplify right side
    1,074,370.76x = 713,903,033,391.76
  5. Step 5: Solve for x
    x = 713,903,033,391.76/1,074,370.76
  6. Step 6: Final answer
    x = 664,484.79

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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.