Home / 1,231,763.64-1,701,465.84-990,953.16

Finding the Fourth Proportional to 1,231,763.64, 1,701,465.84 and 990,953.16

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Solution

The fourth proportional to 1,231,763.64, 1,701,465.84 and 990,953.16 is: 1,368,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,763.64 : 1,701,465.84 = 990,953.16 : x
  2. Step 2: Convert to fraction form
    1,231,763.64/1,701,465.84 = 990,953.16/x
  3. Step 3: Cross multiply
    1,231,763.64x = 1,701,465.84 × 990,953.16
  4. Step 4: Simplify right side
    1,231,763.64x = 1,686,072,950,780.05
  5. Step 5: Solve for x
    x = 1,686,072,950,780.05/1,231,763.64
  6. Step 6: Final answer
    x = 1,368,828.32

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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.