Home / 879,648.40-1,319,472.60-864,096.40

Finding the Fourth Proportional to 879,648.40, 1,319,472.60 and 864,096.40

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Solution

The fourth proportional to 879,648.40, 1,319,472.60 and 864,096.40 is: 1,296,144.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,648.40 : 1,319,472.60 = 864,096.40 : x
  2. Step 2: Convert to fraction form
    879,648.40/1,319,472.60 = 864,096.40/x
  3. Step 3: Cross multiply
    879,648.40x = 1,319,472.60 × 864,096.40
  4. Step 4: Simplify right side
    879,648.40x = 1,140,151,523,558.64
  5. Step 5: Solve for x
    x = 1,140,151,523,558.64/879,648.40
  6. Step 6: Final answer
    x = 1,296,144.60

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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.