Home / 1,078,657.56-1,617,485.76-629,507.70

Finding the Fourth Proportional to 1,078,657.56, 1,617,485.76 and 629,507.70

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Solution

The fourth proportional to 1,078,657.56, 1,617,485.76 and 629,507.70 is: 943,969.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,657.56 : 1,617,485.76 = 629,507.70 : x
  2. Step 2: Convert to fraction form
    1,078,657.56/1,617,485.76 = 629,507.70/x
  3. Step 3: Cross multiply
    1,078,657.56x = 1,617,485.76 × 629,507.70
  4. Step 4: Simplify right side
    1,078,657.56x = 1,018,219,740,560.35
  5. Step 5: Solve for x
    x = 1,018,219,740,560.35/1,078,657.56
  6. Step 6: Final answer
    x = 943,969.41

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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.