Home / 869,200.40-1,303,800.60-736,668.20

Finding the Fourth Proportional to 869,200.40, 1,303,800.60 and 736,668.20

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Solution

The fourth proportional to 869,200.40, 1,303,800.60 and 736,668.20 is: 1,105,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,200.40 : 1,303,800.60 = 736,668.20 : x
  2. Step 2: Convert to fraction form
    869,200.40/1,303,800.60 = 736,668.20/x
  3. Step 3: Cross multiply
    869,200.40x = 1,303,800.60 × 736,668.20
  4. Step 4: Simplify right side
    869,200.40x = 960,468,441,160.92
  5. Step 5: Solve for x
    x = 960,468,441,160.92/869,200.40
  6. Step 6: Final answer
    x = 1,105,002.30

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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.