Home / 1,028,801.49-1,543,202.42-429,435.69

Finding the Fourth Proportional to 1,028,801.49, 1,543,202.42 and 429,435.69

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Solution

The fourth proportional to 1,028,801.49, 1,543,202.42 and 429,435.69 is: 644,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,801.49 : 1,543,202.42 = 429,435.69 : x
  2. Step 2: Convert to fraction form
    1,028,801.49/1,543,202.42 = 429,435.69/x
  3. Step 3: Cross multiply
    1,028,801.49x = 1,543,202.42 × 429,435.69
  4. Step 4: Simplify right side
    1,028,801.49x = 662,706,193,895.19
  5. Step 5: Solve for x
    x = 662,706,193,895.19/1,028,801.49
  6. Step 6: Final answer
    x = 644,153.61

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1.5x scale

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.