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Finding the Fourth Proportional to 983,011.60, 1,471,752.60 and 883,478.80

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Solution

The fourth proportional to 983,011.60, 1,471,752.60 and 883,478.80 is: 1,322,733.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,011.60 : 1,471,752.60 = 883,478.80 : x
  2. Step 2: Convert to fraction form
    983,011.60/1,471,752.60 = 883,478.80/x
  3. Step 3: Cross multiply
    983,011.60x = 1,471,752.60 × 883,478.80
  4. Step 4: Simplify right side
    983,011.60x = 1,300,262,220,944.88
  5. Step 5: Solve for x
    x = 1,300,262,220,944.88/983,011.60
  6. Step 6: Final answer
    x = 1,322,733.34

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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.