Home / 1,394,468.60-2,091,702.90-862,590.20

Finding the Fourth Proportional to 1,394,468.60, 2,091,702.90 and 862,590.20

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Solution

The fourth proportional to 1,394,468.60, 2,091,702.90 and 862,590.20 is: 1,293,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,468.60 : 2,091,702.90 = 862,590.20 : x
  2. Step 2: Convert to fraction form
    1,394,468.60/2,091,702.90 = 862,590.20/x
  3. Step 3: Cross multiply
    1,394,468.60x = 2,091,702.90 × 862,590.20
  4. Step 4: Simplify right side
    1,394,468.60x = 1,804,282,422,851.58
  5. Step 5: Solve for x
    x = 1,804,282,422,851.58/1,394,468.60
  6. Step 6: Final answer
    x = 1,293,885.30

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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.