Home / 1,230,923.40-1,845,002.70-520,830.60

Finding the Fourth Proportional to 1,230,923.40, 1,845,002.70 and 520,830.60

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Solution

The fourth proportional to 1,230,923.40, 1,845,002.70 and 520,830.60 is: 780,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,923.40 : 1,845,002.70 = 520,830.60 : x
  2. Step 2: Convert to fraction form
    1,230,923.40/1,845,002.70 = 520,830.60/x
  3. Step 3: Cross multiply
    1,230,923.40x = 1,845,002.70 × 520,830.60
  4. Step 4: Simplify right side
    1,230,923.40x = 960,933,863,242.62
  5. Step 5: Solve for x
    x = 960,933,863,242.62/1,230,923.40
  6. Step 6: Final answer
    x = 780,660.98

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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.