Home / 1,130,252.40-1,695,184.20-419,914.80

Finding the Fourth Proportional to 1,130,252.40, 1,695,184.20 and 419,914.80

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Solution

The fourth proportional to 1,130,252.40, 1,695,184.20 and 419,914.80 is: 629,799.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,252.40 : 1,695,184.20 = 419,914.80 : x
  2. Step 2: Convert to fraction form
    1,130,252.40/1,695,184.20 = 419,914.80/x
  3. Step 3: Cross multiply
    1,130,252.40x = 1,695,184.20 × 419,914.80
  4. Step 4: Simplify right side
    1,130,252.40x = 711,832,934,306.16
  5. Step 5: Solve for x
    x = 711,832,934,306.16/1,130,252.40
  6. Step 6: Final answer
    x = 629,799.98

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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.