Home / 1,193,332.79-1,789,725.81-340,388.21

Finding the Fourth Proportional to 1,193,332.79, 1,789,725.81 and 340,388.21

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Solution

The fourth proportional to 1,193,332.79, 1,789,725.81 and 340,388.21 is: 510,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,332.79 : 1,789,725.81 = 340,388.21 : x
  2. Step 2: Convert to fraction form
    1,193,332.79/1,789,725.81 = 340,388.21/x
  3. Step 3: Cross multiply
    1,193,332.79x = 1,789,725.81 × 340,388.21
  4. Step 4: Simplify right side
    1,193,332.79x = 609,201,569,331.02
  5. Step 5: Solve for x
    x = 609,201,569,331.02/1,193,332.79
  6. Step 6: Final answer
    x = 510,504.34

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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.