Home / 986,099.20-1,482,448.64-778,242.56

Finding the Fourth Proportional to 986,099.20, 1,482,448.64 and 778,242.56

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Solution

The fourth proportional to 986,099.20, 1,482,448.64 and 778,242.56 is: 1,169,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,099.20 : 1,482,448.64 = 778,242.56 : x
  2. Step 2: Convert to fraction form
    986,099.20/1,482,448.64 = 778,242.56/x
  3. Step 3: Cross multiply
    986,099.20x = 1,482,448.64 × 778,242.56
  4. Step 4: Simplify right side
    986,099.20x = 1,153,704,624,662.12
  5. Step 5: Solve for x
    x = 1,153,704,624,662.12/986,099.20
  6. Step 6: Final answer
    x = 1,169,968.12

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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.