Home / 1,231,765.64-1,701,468.60-990,955.16

Finding the Fourth Proportional to 1,231,765.64, 1,701,468.60 and 990,955.16

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Solution

The fourth proportional to 1,231,765.64, 1,701,468.60 and 990,955.16 is: 1,368,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,765.64 : 1,701,468.60 = 990,955.16 : x
  2. Step 2: Convert to fraction form
    1,231,765.64/1,701,468.60 = 990,955.16/x
  3. Step 3: Cross multiply
    1,231,765.64x = 1,701,468.60 × 990,955.16
  4. Step 4: Simplify right side
    1,231,765.64x = 1,686,079,088,747.98
  5. Step 5: Solve for x
    x = 1,686,079,088,747.98/1,231,765.64
  6. Step 6: Final answer
    x = 1,368,831.08

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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.