Home / 847,467.40-1,271,201.10-788,418.40

Finding the Fourth Proportional to 847,467.40, 1,271,201.10 and 788,418.40

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Solution

The fourth proportional to 847,467.40, 1,271,201.10 and 788,418.40 is: 1,182,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,467.40 : 1,271,201.10 = 788,418.40 : x
  2. Step 2: Convert to fraction form
    847,467.40/1,271,201.10 = 788,418.40/x
  3. Step 3: Cross multiply
    847,467.40x = 1,271,201.10 × 788,418.40
  4. Step 4: Simplify right side
    847,467.40x = 1,002,238,337,340.24
  5. Step 5: Solve for x
    x = 1,002,238,337,340.24/847,467.40
  6. Step 6: Final answer
    x = 1,182,627.60

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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.