Home / 1,281,857.55-1,768,959.03-708,885.42

Finding the Fourth Proportional to 1,281,857.55, 1,768,959.03 and 708,885.42

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Solution

The fourth proportional to 1,281,857.55, 1,768,959.03 and 708,885.42 is: 978,259.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,857.55 : 1,768,959.03 = 708,885.42 : x
  2. Step 2: Convert to fraction form
    1,281,857.55/1,768,959.03 = 708,885.42/x
  3. Step 3: Cross multiply
    1,281,857.55x = 1,768,959.03 × 708,885.42
  4. Step 4: Simplify right side
    1,281,857.55x = 1,253,989,264,944.34
  5. Step 5: Solve for x
    x = 1,253,989,264,944.34/1,281,857.55
  6. Step 6: Final answer
    x = 978,259.45

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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.