Home / 879,823.60-1,322,359.80-864,077.20

Finding the Fourth Proportional to 879,823.60, 1,322,359.80 and 864,077.20

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Solution

The fourth proportional to 879,823.60, 1,322,359.80 and 864,077.20 is: 1,298,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,823.60 : 1,322,359.80 = 864,077.20 : x
  2. Step 2: Convert to fraction form
    879,823.60/1,322,359.80 = 864,077.20/x
  3. Step 3: Cross multiply
    879,823.60x = 1,322,359.80 × 864,077.20
  4. Step 4: Simplify right side
    879,823.60x = 1,142,620,953,376.56
  5. Step 5: Solve for x
    x = 1,142,620,953,376.56/879,823.60
  6. Step 6: Final answer
    x = 1,298,693.23

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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.