Home / 1,299,567.20-1,947,648.45-624,304.98

Finding the Fourth Proportional to 1,299,567.20, 1,947,648.45 and 624,304.98

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Solution

The fourth proportional to 1,299,567.20, 1,947,648.45 and 624,304.98 is: 935,639.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,567.20 : 1,947,648.45 = 624,304.98 : x
  2. Step 2: Convert to fraction form
    1,299,567.20/1,947,648.45 = 624,304.98/x
  3. Step 3: Cross multiply
    1,299,567.20x = 1,947,648.45 × 624,304.98
  4. Step 4: Simplify right side
    1,299,567.20x = 1,215,926,628,965.42
  5. Step 5: Solve for x
    x = 1,215,926,628,965.42/1,299,567.20
  6. Step 6: Final answer
    x = 935,639.68

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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.