Home / 879,492.80-1,319,239.20-827,004.80

Finding the Fourth Proportional to 879,492.80, 1,319,239.20 and 827,004.80

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Solution

The fourth proportional to 879,492.80, 1,319,239.20 and 827,004.80 is: 1,240,507.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,492.80 : 1,319,239.20 = 827,004.80 : x
  2. Step 2: Convert to fraction form
    879,492.80/1,319,239.20 = 827,004.80/x
  3. Step 3: Cross multiply
    879,492.80x = 1,319,239.20 × 827,004.80
  4. Step 4: Simplify right side
    879,492.80x = 1,091,017,150,748.16
  5. Step 5: Solve for x
    x = 1,091,017,150,748.16/879,492.80
  6. Step 6: Final answer
    x = 1,240,507.20

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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.