Home / 1,283,276.25-1,771,315.43-739,775.34

Finding the Fourth Proportional to 1,283,276.25, 1,771,315.43 and 739,775.34

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Solution

The fourth proportional to 1,283,276.25, 1,771,315.43 and 739,775.34 is: 1,021,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,276.25 : 1,771,315.43 = 739,775.34 : x
  2. Step 2: Convert to fraction form
    1,283,276.25/1,771,315.43 = 739,775.34/x
  3. Step 3: Cross multiply
    1,283,276.25x = 1,771,315.43 × 739,775.34
  4. Step 4: Simplify right side
    1,283,276.25x = 1,310,375,470,776.62
  5. Step 5: Solve for x
    x = 1,310,375,470,776.62/1,283,276.25
  6. Step 6: Final answer
    x = 1,021,117.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.