Home / 1,134,040.87-1,564,976.31-624,743.23

Finding the Fourth Proportional to 1,134,040.87, 1,564,976.31 and 624,743.23

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Solution

The fourth proportional to 1,134,040.87, 1,564,976.31 and 624,743.23 is: 862,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,040.87 : 1,564,976.31 = 624,743.23 : x
  2. Step 2: Convert to fraction form
    1,134,040.87/1,564,976.31 = 624,743.23/x
  3. Step 3: Cross multiply
    1,134,040.87x = 1,564,976.31 × 624,743.23
  4. Step 4: Simplify right side
    1,134,040.87x = 977,708,354,782.88
  5. Step 5: Solve for x
    x = 977,708,354,782.88/1,134,040.87
  6. Step 6: Final answer
    x = 862,145.61

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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.