Home / 1,149,050.50-1,585,700.63-639,763.81

Finding the Fourth Proportional to 1,149,050.50, 1,585,700.63 and 639,763.81

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Solution

The fourth proportional to 1,149,050.50, 1,585,700.63 and 639,763.81 is: 882,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,050.50 : 1,585,700.63 = 639,763.81 : x
  2. Step 2: Convert to fraction form
    1,149,050.50/1,585,700.63 = 639,763.81/x
  3. Step 3: Cross multiply
    1,149,050.50x = 1,585,700.63 × 639,763.81
  4. Step 4: Simplify right side
    1,149,050.50x = 1,014,473,876,568.20
  5. Step 5: Solve for x
    x = 1,014,473,876,568.20/1,149,050.50
  6. Step 6: Final answer
    x = 882,880.15

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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.