Home / 1,357,379.02-2,032,967.84-647,906.50

Finding the Fourth Proportional to 1,357,379.02, 2,032,967.84 and 647,906.50

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Solution

The fourth proportional to 1,357,379.02, 2,032,967.84 and 647,906.50 is: 970,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,379.02 : 2,032,967.84 = 647,906.50 : x
  2. Step 2: Convert to fraction form
    1,357,379.02/2,032,967.84 = 647,906.50/x
  3. Step 3: Cross multiply
    1,357,379.02x = 2,032,967.84 × 647,906.50
  4. Step 4: Simplify right side
    1,357,379.02x = 1,317,173,067,662.12
  5. Step 5: Solve for x
    x = 1,317,173,067,662.12/1,357,379.02
  6. Step 6: Final answer
    x = 970,379.72

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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.