Home / 1,413,007.70-2,116,401.15-989,993.30

Finding the Fourth Proportional to 1,413,007.70, 2,116,401.15 and 989,993.30

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Solution

The fourth proportional to 1,413,007.70, 2,116,401.15 and 989,993.30 is: 1,482,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,007.70 : 2,116,401.15 = 989,993.30 : x
  2. Step 2: Convert to fraction form
    1,413,007.70/2,116,401.15 = 989,993.30/x
  3. Step 3: Cross multiply
    1,413,007.70x = 2,116,401.15 × 989,993.30
  4. Step 4: Simplify right side
    1,413,007.70x = 2,095,222,958,612.30
  5. Step 5: Solve for x
    x = 2,095,222,958,612.30/1,413,007.70
  6. Step 6: Final answer
    x = 1,482,810.72

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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.