Home / 1,028,802.49-1,543,203.92-429,436.69

Finding the Fourth Proportional to 1,028,802.49, 1,543,203.92 and 429,436.69

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Solution

The fourth proportional to 1,028,802.49, 1,543,203.92 and 429,436.69 is: 644,155.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,802.49 : 1,543,203.92 = 429,436.69 : x
  2. Step 2: Convert to fraction form
    1,028,802.49/1,543,203.92 = 429,436.69/x
  3. Step 3: Cross multiply
    1,028,802.49x = 1,543,203.92 × 429,436.69
  4. Step 4: Simplify right side
    1,028,802.49x = 662,708,383,399.83
  5. Step 5: Solve for x
    x = 662,708,383,399.83/1,028,802.49
  6. Step 6: Final answer
    x = 644,155.11

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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.