Home / 907,586.40-1,361,379.60-864,040.80

Finding the Fourth Proportional to 907,586.40, 1,361,379.60 and 864,040.80

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Solution

The fourth proportional to 907,586.40, 1,361,379.60 and 864,040.80 is: 1,296,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,586.40 : 1,361,379.60 = 864,040.80 : x
  2. Step 2: Convert to fraction form
    907,586.40/1,361,379.60 = 864,040.80/x
  3. Step 3: Cross multiply
    907,586.40x = 1,361,379.60 × 864,040.80
  4. Step 4: Simplify right side
    907,586.40x = 1,176,287,518,687.68
  5. Step 5: Solve for x
    x = 1,176,287,518,687.68/907,586.40
  6. Step 6: Final answer
    x = 1,296,061.20

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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.