Home / 1,201,164.88-1,657,581.96-657,298.48

Finding the Fourth Proportional to 1,201,164.88, 1,657,581.96 and 657,298.48

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Solution

The fourth proportional to 1,201,164.88, 1,657,581.96 and 657,298.48 is: 907,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,164.88 : 1,657,581.96 = 657,298.48 : x
  2. Step 2: Convert to fraction form
    1,201,164.88/1,657,581.96 = 657,298.48/x
  3. Step 3: Cross multiply
    1,201,164.88x = 1,657,581.96 × 657,298.48
  4. Step 4: Simplify right side
    1,201,164.88x = 1,089,526,102,783.42
  5. Step 5: Solve for x
    x = 1,089,526,102,783.42/1,201,164.88
  6. Step 6: Final answer
    x = 907,057.91

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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.