Home / 1,094,742.20-1,638,176.70-740,448.20

Finding the Fourth Proportional to 1,094,742.20, 1,638,176.70 and 740,448.20

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Solution

The fourth proportional to 1,094,742.20, 1,638,176.70 and 740,448.20 is: 1,108,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,742.20 : 1,638,176.70 = 740,448.20 : x
  2. Step 2: Convert to fraction form
    1,094,742.20/1,638,176.70 = 740,448.20/x
  3. Step 3: Cross multiply
    1,094,742.20x = 1,638,176.70 × 740,448.20
  4. Step 4: Simplify right side
    1,094,742.20x = 1,212,984,988,796.94
  5. Step 5: Solve for x
    x = 1,212,984,988,796.94/1,094,742.20
  6. Step 6: Final answer
    x = 1,108,009.71

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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.