Home / 1,201,313.42-1,657,796.92-657,439.32

Finding the Fourth Proportional to 1,201,313.42, 1,657,796.92 and 657,439.32

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Solution

The fourth proportional to 1,201,313.42, 1,657,796.92 and 657,439.32 is: 907,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,313.42 : 1,657,796.92 = 657,439.32 : x
  2. Step 2: Convert to fraction form
    1,201,313.42/1,657,796.92 = 657,439.32/x
  3. Step 3: Cross multiply
    1,201,313.42x = 1,657,796.92 × 657,439.32
  4. Step 4: Simplify right side
    1,201,313.42x = 1,089,900,878,139.30
  5. Step 5: Solve for x
    x = 1,089,900,878,139.30/1,201,313.42
  6. Step 6: Final answer
    x = 907,257.73

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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.