Home / 1,761,820.75-2,642,731.14-432,124.75

Finding the Fourth Proportional to 1,761,820.75, 2,642,731.14 and 432,124.75

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Solution

The fourth proportional to 1,761,820.75, 2,642,731.14 and 432,124.75 is: 648,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,820.75 : 2,642,731.14 = 432,124.75 : x
  2. Step 2: Convert to fraction form
    1,761,820.75/2,642,731.14 = 432,124.75/x
  3. Step 3: Cross multiply
    1,761,820.75x = 2,642,731.14 × 432,124.75
  4. Step 4: Simplify right side
    1,761,820.75x = 1,141,989,533,189.72
  5. Step 5: Solve for x
    x = 1,141,989,533,189.72/1,761,820.75
  6. Step 6: Final answer
    x = 648,187.13

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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.