Home / 1,201,052.88-1,657,427.40-657,186.48

Finding the Fourth Proportional to 1,201,052.88, 1,657,427.40 and 657,186.48

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Solution

The fourth proportional to 1,201,052.88, 1,657,427.40 and 657,186.48 is: 906,903.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,052.88 : 1,657,427.40 = 657,186.48 : x
  2. Step 2: Convert to fraction form
    1,201,052.88/1,657,427.40 = 657,186.48/x
  3. Step 3: Cross multiply
    1,201,052.88x = 1,657,427.40 × 657,186.48
  4. Step 4: Simplify right side
    1,201,052.88x = 1,089,238,878,861.55
  5. Step 5: Solve for x
    x = 1,089,238,878,861.55/1,201,052.88
  6. Step 6: Final answer
    x = 906,903.35

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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.