Home / 1,201,174.74-1,657,621.31-657,310.65

Finding the Fourth Proportional to 1,201,174.74, 1,657,621.31 and 657,310.65

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Solution

The fourth proportional to 1,201,174.74, 1,657,621.31 and 657,310.65 is: 907,088.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,174.74 : 1,657,621.31 = 657,310.65 : x
  2. Step 2: Convert to fraction form
    1,201,174.74/1,657,621.31 = 657,310.65/x
  3. Step 3: Cross multiply
    1,201,174.74x = 1,657,621.31 × 657,310.65
  4. Step 4: Simplify right side
    1,201,174.74x = 1,089,572,131,227.32
  5. Step 5: Solve for x
    x = 1,089,572,131,227.32/1,201,174.74
  6. Step 6: Final answer
    x = 907,088.78

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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.