Home / 1,134,028.20-1,564,958.90-624,730.58

Finding the Fourth Proportional to 1,134,028.20, 1,564,958.90 and 624,730.58

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Solution

The fourth proportional to 1,134,028.20, 1,564,958.90 and 624,730.58 is: 862,128.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,028.20 : 1,564,958.90 = 624,730.58 : x
  2. Step 2: Convert to fraction form
    1,134,028.20/1,564,958.90 = 624,730.58/x
  3. Step 3: Cross multiply
    1,134,028.20x = 1,564,958.90 × 624,730.58
  4. Step 4: Simplify right side
    1,134,028.20x = 977,677,670,324.72
  5. Step 5: Solve for x
    x = 977,677,670,324.72/1,134,028.20
  6. Step 6: Final answer
    x = 862,128.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.