Home / 1,561,812.77-2,155,460.63-950,007.72

Finding the Fourth Proportional to 1,561,812.77, 2,155,460.63 and 950,007.72

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Solution

The fourth proportional to 1,561,812.77, 2,155,460.63 and 950,007.72 is: 1,311,107.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,812.77 : 2,155,460.63 = 950,007.72 : x
  2. Step 2: Convert to fraction form
    1,561,812.77/2,155,460.63 = 950,007.72/x
  3. Step 3: Cross multiply
    1,561,812.77x = 2,155,460.63 × 950,007.72
  4. Step 4: Simplify right side
    1,561,812.77x = 2,047,704,241,989.00
  5. Step 5: Solve for x
    x = 2,047,704,241,989.00/1,561,812.77
  6. Step 6: Final answer
    x = 1,311,107.37

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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.