Home / 1,323,011.20-1,984,516.80-850,619.20

Finding the Fourth Proportional to 1,323,011.20, 1,984,516.80 and 850,619.20

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Solution

The fourth proportional to 1,323,011.20, 1,984,516.80 and 850,619.20 is: 1,275,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,011.20 : 1,984,516.80 = 850,619.20 : x
  2. Step 2: Convert to fraction form
    1,323,011.20/1,984,516.80 = 850,619.20/x
  3. Step 3: Cross multiply
    1,323,011.20x = 1,984,516.80 × 850,619.20
  4. Step 4: Simplify right side
    1,323,011.20x = 1,688,068,092,802.56
  5. Step 5: Solve for x
    x = 1,688,068,092,802.56/1,323,011.20
  6. Step 6: Final answer
    x = 1,275,928.80

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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.