Home / 1,097,825.28-1,646,401.77-387,686.94

Finding the Fourth Proportional to 1,097,825.28, 1,646,401.77 and 387,686.94

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Solution

The fourth proportional to 1,097,825.28, 1,646,401.77 and 387,686.94 is: 581,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,825.28 : 1,646,401.77 = 387,686.94 : x
  2. Step 2: Convert to fraction form
    1,097,825.28/1,646,401.77 = 387,686.94/x
  3. Step 3: Cross multiply
    1,097,825.28x = 1,646,401.77 × 387,686.94
  4. Step 4: Simplify right side
    1,097,825.28x = 638,288,464,221.88
  5. Step 5: Solve for x
    x = 638,288,464,221.88/1,097,825.28
  6. Step 6: Final answer
    x = 581,411.70

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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.