Home / 1,478,051.90-2,216,559.45-767,843.90

Finding the Fourth Proportional to 1,478,051.90, 2,216,559.45 and 767,843.90

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Solution

The fourth proportional to 1,478,051.90, 2,216,559.45 and 767,843.90 is: 1,151,496.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,051.90 : 2,216,559.45 = 767,843.90 : x
  2. Step 2: Convert to fraction form
    1,478,051.90/2,216,559.45 = 767,843.90/x
  3. Step 3: Cross multiply
    1,478,051.90x = 2,216,559.45 × 767,843.90
  4. Step 4: Simplify right side
    1,478,051.90x = 1,701,971,652,669.86
  5. Step 5: Solve for x
    x = 1,701,971,652,669.86/1,478,051.90
  6. Step 6: Final answer
    x = 1,151,496.54

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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.