Home / 1,217,295.20-1,822,443.60-744,903.20

Finding the Fourth Proportional to 1,217,295.20, 1,822,443.60 and 744,903.20

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Solution

The fourth proportional to 1,217,295.20, 1,822,443.60 and 744,903.20 is: 1,115,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,295.20 : 1,822,443.60 = 744,903.20 : x
  2. Step 2: Convert to fraction form
    1,217,295.20/1,822,443.60 = 744,903.20/x
  3. Step 3: Cross multiply
    1,217,295.20x = 1,822,443.60 × 744,903.20
  4. Step 4: Simplify right side
    1,217,295.20x = 1,357,544,069,459.52
  5. Step 5: Solve for x
    x = 1,357,544,069,459.52/1,217,295.20
  6. Step 6: Final answer
    x = 1,115,213.52

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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.