Home / 1,419,835.65-2,130,418.54-699,784.83

Finding the Fourth Proportional to 1,419,835.65, 2,130,418.54 and 699,784.83

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Solution

The fourth proportional to 1,419,835.65, 2,130,418.54 and 699,784.83 is: 1,050,005.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,835.65 : 2,130,418.54 = 699,784.83 : x
  2. Step 2: Convert to fraction form
    1,419,835.65/2,130,418.54 = 699,784.83/x
  3. Step 3: Cross multiply
    1,419,835.65x = 2,130,418.54 × 699,784.83
  4. Step 4: Simplify right side
    1,419,835.65x = 1,490,834,565,190.66
  5. Step 5: Solve for x
    x = 1,490,834,565,190.66/1,419,835.65
  6. Step 6: Final answer
    x = 1,050,005.03

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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.