Home / 1,049,270.40-1,574,683.20-418,636.80

Finding the Fourth Proportional to 1,049,270.40, 1,574,683.20 and 418,636.80

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Solution

The fourth proportional to 1,049,270.40, 1,574,683.20 and 418,636.80 is: 628,265.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,270.40 : 1,574,683.20 = 418,636.80 : x
  2. Step 2: Convert to fraction form
    1,049,270.40/1,574,683.20 = 418,636.80/x
  3. Step 3: Cross multiply
    1,049,270.40x = 1,574,683.20 × 418,636.80
  4. Step 4: Simplify right side
    1,049,270.40x = 659,220,335,861.76
  5. Step 5: Solve for x
    x = 659,220,335,861.76/1,049,270.40
  6. Step 6: Final answer
    x = 628,265.45

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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.