Home / 1,503,145.42-2,254,510.77-830,469.58

Finding the Fourth Proportional to 1,503,145.42, 2,254,510.77 and 830,469.58

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Solution

The fourth proportional to 1,503,145.42, 2,254,510.77 and 830,469.58 is: 1,245,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,145.42 : 2,254,510.77 = 830,469.58 : x
  2. Step 2: Convert to fraction form
    1,503,145.42/2,254,510.77 = 830,469.58/x
  3. Step 3: Cross multiply
    1,503,145.42x = 2,254,510.77 × 830,469.58
  4. Step 4: Simplify right side
    1,503,145.42x = 1,872,302,612,267.38
  5. Step 5: Solve for x
    x = 1,872,302,612,267.38/1,503,145.42
  6. Step 6: Final answer
    x = 1,245,589.81

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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.