Home / 1,305,341.70-1,958,012.55-744,432.90

Finding the Fourth Proportional to 1,305,341.70, 1,958,012.55 and 744,432.90

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Solution

The fourth proportional to 1,305,341.70, 1,958,012.55 and 744,432.90 is: 1,116,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,341.70 : 1,958,012.55 = 744,432.90 : x
  2. Step 2: Convert to fraction form
    1,305,341.70/1,958,012.55 = 744,432.90/x
  3. Step 3: Cross multiply
    1,305,341.70x = 1,958,012.55 × 744,432.90
  4. Step 4: Simplify right side
    1,305,341.70x = 1,457,608,960,832.90
  5. Step 5: Solve for x
    x = 1,457,608,960,832.90/1,305,341.70
  6. Step 6: Final answer
    x = 1,116,649.35

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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.