Home / 1,200,946.65-1,657,327.13-657,129.97

Finding the Fourth Proportional to 1,200,946.65, 1,657,327.13 and 657,129.97

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Solution

The fourth proportional to 1,200,946.65, 1,657,327.13 and 657,129.97 is: 906,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,946.65 : 1,657,327.13 = 657,129.97 : x
  2. Step 2: Convert to fraction form
    1,200,946.65/1,657,327.13 = 657,129.97/x
  3. Step 3: Cross multiply
    1,200,946.65x = 1,657,327.13 × 657,129.97
  4. Step 4: Simplify right side
    1,200,946.65x = 1,089,079,319,144.87
  5. Step 5: Solve for x
    x = 1,089,079,319,144.87/1,200,946.65
  6. Step 6: Final answer
    x = 906,850.71

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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.