Home / 1,097,824.78-1,646,401.02-387,686.44

Finding the Fourth Proportional to 1,097,824.78, 1,646,401.02 and 387,686.44

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Solution

The fourth proportional to 1,097,824.78, 1,646,401.02 and 387,686.44 is: 581,410.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,824.78 : 1,646,401.02 = 387,686.44 : x
  2. Step 2: Convert to fraction form
    1,097,824.78/1,646,401.02 = 387,686.44/x
  3. Step 3: Cross multiply
    1,097,824.78x = 1,646,401.02 × 387,686.44
  4. Step 4: Simplify right side
    1,097,824.78x = 638,287,350,256.17
  5. Step 5: Solve for x
    x = 638,287,350,256.17/1,097,824.78
  6. Step 6: Final answer
    x = 581,410.95

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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.