Home / 1,228,230.03-1,842,517.23-429,329.87

Finding the Fourth Proportional to 1,228,230.03, 1,842,517.23 and 429,329.87

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Solution

The fourth proportional to 1,228,230.03, 1,842,517.23 and 429,329.87 is: 644,054.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,230.03 : 1,842,517.23 = 429,329.87 : x
  2. Step 2: Convert to fraction form
    1,228,230.03/1,842,517.23 = 429,329.87/x
  3. Step 3: Cross multiply
    1,228,230.03x = 1,842,517.23 × 429,329.87
  4. Step 4: Simplify right side
    1,228,230.03x = 791,047,678,915.53
  5. Step 5: Solve for x
    x = 791,047,678,915.53/1,228,230.03
  6. Step 6: Final answer
    x = 644,054.99

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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.