Home / 748,869.20-1,123,303.80-744,203.60

Finding the Fourth Proportional to 748,869.20, 1,123,303.80 and 744,203.60

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Solution

The fourth proportional to 748,869.20, 1,123,303.80 and 744,203.60 is: 1,116,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,869.20 : 1,123,303.80 = 744,203.60 : x
  2. Step 2: Convert to fraction form
    748,869.20/1,123,303.80 = 744,203.60/x
  3. Step 3: Cross multiply
    748,869.20x = 1,123,303.80 × 744,203.60
  4. Step 4: Simplify right side
    748,869.20x = 835,966,731,853.68
  5. Step 5: Solve for x
    x = 835,966,731,853.68/748,869.20
  6. Step 6: Final answer
    x = 1,116,305.40

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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.