Home / 1,487,792.66-2,054,142.58-1,143,014.54

Finding the Fourth Proportional to 1,487,792.66, 2,054,142.58 and 1,143,014.54

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Solution

The fourth proportional to 1,487,792.66, 2,054,142.58 and 1,143,014.54 is: 1,578,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,792.66 : 2,054,142.58 = 1,143,014.54 : x
  2. Step 2: Convert to fraction form
    1,487,792.66/2,054,142.58 = 1,143,014.54/x
  3. Step 3: Cross multiply
    1,487,792.66x = 2,054,142.58 × 1,143,014.54
  4. Step 4: Simplify right side
    1,487,792.66x = 2,347,914,836,173.11
  5. Step 5: Solve for x
    x = 2,347,914,836,173.11/1,487,792.66
  6. Step 6: Final answer
    x = 1,578,119.65

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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.