Home / 1,028,907.19-1,543,440.65-309,192.72

Finding the Fourth Proportional to 1,028,907.19, 1,543,440.65 and 309,192.72

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Solution

The fourth proportional to 1,028,907.19, 1,543,440.65 and 309,192.72 is: 463,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,907.19 : 1,543,440.65 = 309,192.72 : x
  2. Step 2: Convert to fraction form
    1,028,907.19/1,543,440.65 = 309,192.72/x
  3. Step 3: Cross multiply
    1,028,907.19x = 1,543,440.65 × 309,192.72
  4. Step 4: Simplify right side
    1,028,907.19x = 477,220,605,398.20
  5. Step 5: Solve for x
    x = 477,220,605,398.20/1,028,907.19
  6. Step 6: Final answer
    x = 463,813.07

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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.