Home / 1,178,668.62-1,626,136.03-771,003.18

Finding the Fourth Proportional to 1,178,668.62, 1,626,136.03 and 771,003.18

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Solution

The fourth proportional to 1,178,668.62, 1,626,136.03 and 771,003.18 is: 1,063,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,668.62 : 1,626,136.03 = 771,003.18 : x
  2. Step 2: Convert to fraction form
    1,178,668.62/1,626,136.03 = 771,003.18/x
  3. Step 3: Cross multiply
    1,178,668.62x = 1,626,136.03 × 771,003.18
  4. Step 4: Simplify right side
    1,178,668.62x = 1,253,756,050,242.58
  5. Step 5: Solve for x
    x = 1,253,756,050,242.58/1,178,668.62
  6. Step 6: Final answer
    x = 1,063,705.29

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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.