Home / 1,330,389.20-1,995,583.80-488,831.60

Finding the Fourth Proportional to 1,330,389.20, 1,995,583.80 and 488,831.60

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Solution

The fourth proportional to 1,330,389.20, 1,995,583.80 and 488,831.60 is: 733,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,389.20 : 1,995,583.80 = 488,831.60 : x
  2. Step 2: Convert to fraction form
    1,330,389.20/1,995,583.80 = 488,831.60/x
  3. Step 3: Cross multiply
    1,330,389.20x = 1,995,583.80 × 488,831.60
  4. Step 4: Simplify right side
    1,330,389.20x = 975,504,421,888.08
  5. Step 5: Solve for x
    x = 975,504,421,888.08/1,330,389.20
  6. Step 6: Final answer
    x = 733,247.40

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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.