Home / 1,264,831.20-1,898,121.60-910,099.80

Finding the Fourth Proportional to 1,264,831.20, 1,898,121.60 and 910,099.80

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Solution

The fourth proportional to 1,264,831.20, 1,898,121.60 and 910,099.80 is: 1,365,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,831.20 : 1,898,121.60 = 910,099.80 : x
  2. Step 2: Convert to fraction form
    1,264,831.20/1,898,121.60 = 910,099.80/x
  3. Step 3: Cross multiply
    1,264,831.20x = 1,898,121.60 × 910,099.80
  4. Step 4: Simplify right side
    1,264,831.20x = 1,727,480,088,535.68
  5. Step 5: Solve for x
    x = 1,727,480,088,535.68/1,264,831.20
  6. Step 6: Final answer
    x = 1,365,779.16

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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.