Home / 879,650.40-1,319,475.60-864,098.40

Finding the Fourth Proportional to 879,650.40, 1,319,475.60 and 864,098.40

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Solution

The fourth proportional to 879,650.40, 1,319,475.60 and 864,098.40 is: 1,296,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,650.40 : 1,319,475.60 = 864,098.40 : x
  2. Step 2: Convert to fraction form
    879,650.40/1,319,475.60 = 864,098.40/x
  3. Step 3: Cross multiply
    879,650.40x = 1,319,475.60 × 864,098.40
  4. Step 4: Simplify right side
    879,650.40x = 1,140,156,754,799.04
  5. Step 5: Solve for x
    x = 1,140,156,754,799.04/879,650.40
  6. Step 6: Final answer
    x = 1,296,147.60

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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.