Home / 1,026,022.80-1,536,701.40-648,109.20

Finding the Fourth Proportional to 1,026,022.80, 1,536,701.40 and 648,109.20

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Solution

The fourth proportional to 1,026,022.80, 1,536,701.40 and 648,109.20 is: 970,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,022.80 : 1,536,701.40 = 648,109.20 : x
  2. Step 2: Convert to fraction form
    1,026,022.80/1,536,701.40 = 648,109.20/x
  3. Step 3: Cross multiply
    1,026,022.80x = 1,536,701.40 × 648,109.20
  4. Step 4: Simplify right side
    1,026,022.80x = 995,950,314,992.88
  5. Step 5: Solve for x
    x = 995,950,314,992.88/1,026,022.80
  6. Step 6: Final answer
    x = 970,690.24

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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.