Home / 1,132,138.93-1,562,574.81-649,028.20

Finding the Fourth Proportional to 1,132,138.93, 1,562,574.81 and 649,028.20

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Solution

The fourth proportional to 1,132,138.93, 1,562,574.81 and 649,028.20 is: 895,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,138.93 : 1,562,574.81 = 649,028.20 : x
  2. Step 2: Convert to fraction form
    1,132,138.93/1,562,574.81 = 649,028.20/x
  3. Step 3: Cross multiply
    1,132,138.93x = 1,562,574.81 × 649,028.20
  4. Step 4: Simplify right side
    1,132,138.93x = 1,014,155,116,299.64
  5. Step 5: Solve for x
    x = 1,014,155,116,299.64/1,132,138.93
  6. Step 6: Final answer
    x = 895,786.81

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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.