Home / 1,544,234.12-2,315,561.40-645,430.60

Finding the Fourth Proportional to 1,544,234.12, 2,315,561.40 and 645,430.60

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Solution

The fourth proportional to 1,544,234.12, 2,315,561.40 and 645,430.60 is: 967,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544,234.12 : 2,315,561.40 = 645,430.60 : x
  2. Step 2: Convert to fraction form
    1,544,234.12/2,315,561.40 = 645,430.60/x
  3. Step 3: Cross multiply
    1,544,234.12x = 2,315,561.40 × 645,430.60
  4. Step 4: Simplify right side
    1,544,234.12x = 1,494,534,183,738.84
  5. Step 5: Solve for x
    x = 1,494,534,183,738.84/1,544,234.12
  6. Step 6: Final answer
    x = 967,815.80

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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.