Home / 1,350,008.37-1,863,480.33-777,276.81

Finding the Fourth Proportional to 1,350,008.37, 1,863,480.33 and 777,276.81

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Solution

The fourth proportional to 1,350,008.37, 1,863,480.33 and 777,276.81 is: 1,072,911.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,008.37 : 1,863,480.33 = 777,276.81 : x
  2. Step 2: Convert to fraction form
    1,350,008.37/1,863,480.33 = 777,276.81/x
  3. Step 3: Cross multiply
    1,350,008.37x = 1,863,480.33 × 777,276.81
  4. Step 4: Simplify right side
    1,350,008.37x = 1,448,440,046,400.15
  5. Step 5: Solve for x
    x = 1,448,440,046,400.15/1,350,008.37
  6. Step 6: Final answer
    x = 1,072,911.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.