Home / 1,028,977.49-1,543,467.15-429,611.92

Finding the Fourth Proportional to 1,028,977.49, 1,543,467.15 and 429,611.92

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Solution

The fourth proportional to 1,028,977.49, 1,543,467.15 and 429,611.92 is: 644,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,977.49 : 1,543,467.15 = 429,611.92 : x
  2. Step 2: Convert to fraction form
    1,028,977.49/1,543,467.15 = 429,611.92/x
  3. Step 3: Cross multiply
    1,028,977.49x = 1,543,467.15 × 429,611.92
  4. Step 4: Simplify right side
    1,028,977.49x = 663,091,881,909.76
  5. Step 5: Solve for x
    x = 663,091,881,909.76/1,028,977.49
  6. Step 6: Final answer
    x = 644,418.26

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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.