Home / 748,865.70-1,123,298.55-744,200.10

Finding the Fourth Proportional to 748,865.70, 1,123,298.55 and 744,200.10

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Solution

The fourth proportional to 748,865.70, 1,123,298.55 and 744,200.10 is: 1,116,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,865.70 : 1,123,298.55 = 744,200.10 : x
  2. Step 2: Convert to fraction form
    748,865.70/1,123,298.55 = 744,200.10/x
  3. Step 3: Cross multiply
    748,865.70x = 1,123,298.55 × 744,200.10
  4. Step 4: Simplify right side
    748,865.70x = 835,958,893,239.86
  5. Step 5: Solve for x
    x = 835,958,893,239.86/748,865.70
  6. Step 6: Final answer
    x = 1,116,300.15

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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.