Home / 864,778.20-1,293,668.10-759,802.20

Finding the Fourth Proportional to 864,778.20, 1,293,668.10 and 759,802.20

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Solution

The fourth proportional to 864,778.20, 1,293,668.10 and 759,802.20 is: 1,136,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,778.20 : 1,293,668.10 = 759,802.20 : x
  2. Step 2: Convert to fraction form
    864,778.20/1,293,668.10 = 759,802.20/x
  3. Step 3: Cross multiply
    864,778.20x = 1,293,668.10 × 759,802.20
  4. Step 4: Simplify right side
    864,778.20x = 982,931,868,449.82
  5. Step 5: Solve for x
    x = 982,931,868,449.82/864,778.20
  6. Step 6: Final answer
    x = 1,136,628.87

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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.