Home / 1,795,428.72-2,477,690.28-990,612.72

Finding the Fourth Proportional to 1,795,428.72, 2,477,690.28 and 990,612.72

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Solution

The fourth proportional to 1,795,428.72, 2,477,690.28 and 990,612.72 is: 1,367,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,428.72 : 2,477,690.28 = 990,612.72 : x
  2. Step 2: Convert to fraction form
    1,795,428.72/2,477,690.28 = 990,612.72/x
  3. Step 3: Cross multiply
    1,795,428.72x = 2,477,690.28 × 990,612.72
  4. Step 4: Simplify right side
    1,795,428.72x = 2,454,431,507,588.36
  5. Step 5: Solve for x
    x = 2,454,431,507,588.36/1,795,428.72
  6. Step 6: Final answer
    x = 1,367,044.81

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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.