Home / 1,175,289.76-1,622,246.46-767,455

Finding the Fourth Proportional to 1,175,289.76, 1,622,246.46 and 767,455

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Solution

The fourth proportional to 1,175,289.76, 1,622,246.46 and 767,455 is: 1,059,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,289.76 : 1,622,246.46 = 767,455 : x
  2. Step 2: Convert to fraction form
    1,175,289.76/1,622,246.46 = 767,455/x
  3. Step 3: Cross multiply
    1,175,289.76x = 1,622,246.46 × 767,455
  4. Step 4: Simplify right side
    1,175,289.76x = 1,245,001,156,959.30
  5. Step 5: Solve for x
    x = 1,245,001,156,959.30/1,175,289.76
  6. Step 6: Final answer
    x = 1,059,314.22

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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.