Home / 1,210,083.20-1,815,139.37-368,642.24

Finding the Fourth Proportional to 1,210,083.20, 1,815,139.37 and 368,642.24

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Solution

The fourth proportional to 1,210,083.20, 1,815,139.37 and 368,642.24 is: 552,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,083.20 : 1,815,139.37 = 368,642.24 : x
  2. Step 2: Convert to fraction form
    1,210,083.20/1,815,139.37 = 368,642.24/x
  3. Step 3: Cross multiply
    1,210,083.20x = 1,815,139.37 × 368,642.24
  4. Step 4: Simplify right side
    1,210,083.20x = 669,137,035,114.90
  5. Step 5: Solve for x
    x = 669,137,035,114.90/1,210,083.20
  6. Step 6: Final answer
    x = 552,967.79

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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.