Home / 1,178,742.64-1,768,126.56-943,580.20

Finding the Fourth Proportional to 1,178,742.64, 1,768,126.56 and 943,580.20

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Solution

The fourth proportional to 1,178,742.64, 1,768,126.56 and 943,580.20 is: 1,415,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,742.64 : 1,768,126.56 = 943,580.20 : x
  2. Step 2: Convert to fraction form
    1,178,742.64/1,768,126.56 = 943,580.20/x
  3. Step 3: Cross multiply
    1,178,742.64x = 1,768,126.56 × 943,580.20
  4. Step 4: Simplify right side
    1,178,742.64x = 1,668,369,213,110.11
  5. Step 5: Solve for x
    x = 1,668,369,213,110.11/1,178,742.64
  6. Step 6: Final answer
    x = 1,415,380.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.