Home / 1,313,325.93-1,812,311.71-761,998.93

Finding the Fourth Proportional to 1,313,325.93, 1,812,311.71 and 761,998.93

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Solution

The fourth proportional to 1,313,325.93, 1,812,311.71 and 761,998.93 is: 1,051,513.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,325.93 : 1,812,311.71 = 761,998.93 : x
  2. Step 2: Convert to fraction form
    1,313,325.93/1,812,311.71 = 761,998.93/x
  3. Step 3: Cross multiply
    1,313,325.93x = 1,812,311.71 × 761,998.93
  4. Step 4: Simplify right side
    1,313,325.93x = 1,380,979,577,410.69
  5. Step 5: Solve for x
    x = 1,380,979,577,410.69/1,313,325.93
  6. Step 6: Final answer
    x = 1,051,513.22

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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.