Home / 1,303,156.63-1,797,289.86-917,249.54

Finding the Fourth Proportional to 1,303,156.63, 1,797,289.86 and 917,249.54

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Solution

The fourth proportional to 1,303,156.63, 1,797,289.86 and 917,249.54 is: 1,265,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,156.63 : 1,797,289.86 = 917,249.54 : x
  2. Step 2: Convert to fraction form
    1,303,156.63/1,797,289.86 = 917,249.54/x
  3. Step 3: Cross multiply
    1,303,156.63x = 1,797,289.86 × 917,249.54
  4. Step 4: Simplify right side
    1,303,156.63x = 1,648,563,306,949.53
  5. Step 5: Solve for x
    x = 1,648,563,306,949.53/1,303,156.63
  6. Step 6: Final answer
    x = 1,265,053.85

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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.