Home / 1,003,157.18-1,505,157.87-624,394.70

Finding the Fourth Proportional to 1,003,157.18, 1,505,157.87 and 624,394.70

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Solution

The fourth proportional to 1,003,157.18, 1,505,157.87 and 624,394.70 is: 936,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,157.18 : 1,505,157.87 = 624,394.70 : x
  2. Step 2: Convert to fraction form
    1,003,157.18/1,505,157.87 = 624,394.70/x
  3. Step 3: Cross multiply
    1,003,157.18x = 1,505,157.87 × 624,394.70
  4. Step 4: Simplify right side
    1,003,157.18x = 939,812,596,691.29
  5. Step 5: Solve for x
    x = 939,812,596,691.29/1,003,157.18
  6. Step 6: Final answer
    x = 936,854.78

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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.