Home / 1,176,015.40-1,764,023.10-939,819.40

Finding the Fourth Proportional to 1,176,015.40, 1,764,023.10 and 939,819.40

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Solution

The fourth proportional to 1,176,015.40, 1,764,023.10 and 939,819.40 is: 1,409,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,015.40 : 1,764,023.10 = 939,819.40 : x
  2. Step 2: Convert to fraction form
    1,176,015.40/1,764,023.10 = 939,819.40/x
  3. Step 3: Cross multiply
    1,176,015.40x = 1,764,023.10 × 939,819.40
  4. Step 4: Simplify right side
    1,176,015.40x = 1,657,863,131,428.14
  5. Step 5: Solve for x
    x = 1,657,863,131,428.14/1,176,015.40
  6. Step 6: Final answer
    x = 1,409,729.10

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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.