Home / 1,303,156.22-1,797,289.29-917,249.13

Finding the Fourth Proportional to 1,303,156.22, 1,797,289.29 and 917,249.13

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Solution

The fourth proportional to 1,303,156.22, 1,797,289.29 and 917,249.13 is: 1,265,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,156.22 : 1,797,289.29 = 917,249.13 : x
  2. Step 2: Convert to fraction form
    1,303,156.22/1,797,289.29 = 917,249.13/x
  3. Step 3: Cross multiply
    1,303,156.22x = 1,797,289.29 × 917,249.13
  4. Step 4: Simplify right side
    1,303,156.22x = 1,648,562,037,610.82
  5. Step 5: Solve for x
    x = 1,648,562,037,610.82/1,303,156.22
  6. Step 6: Final answer
    x = 1,265,053.27

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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.