Home / 1,003,156.18-1,505,156.37-624,393.70

Finding the Fourth Proportional to 1,003,156.18, 1,505,156.37 and 624,393.70

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Solution

The fourth proportional to 1,003,156.18, 1,505,156.37 and 624,393.70 is: 936,853.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,156.18 : 1,505,156.37 = 624,393.70 : x
  2. Step 2: Convert to fraction form
    1,003,156.18/1,505,156.37 = 624,393.70/x
  3. Step 3: Cross multiply
    1,003,156.18x = 1,505,156.37 × 624,393.70
  4. Step 4: Simplify right side
    1,003,156.18x = 939,810,159,165.79
  5. Step 5: Solve for x
    x = 939,810,159,165.79/1,003,156.18
  6. Step 6: Final answer
    x = 936,853.28

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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.