Home / 1,172,288.42-1,758,186.59-330,643.34

Finding the Fourth Proportional to 1,172,288.42, 1,758,186.59 and 330,643.34

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Solution

The fourth proportional to 1,172,288.42, 1,758,186.59 and 330,643.34 is: 495,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,288.42 : 1,758,186.59 = 330,643.34 : x
  2. Step 2: Convert to fraction form
    1,172,288.42/1,758,186.59 = 330,643.34/x
  3. Step 3: Cross multiply
    1,172,288.42x = 1,758,186.59 × 330,643.34
  4. Step 4: Simplify right side
    1,172,288.42x = 581,332,690,809.51
  5. Step 5: Solve for x
    x = 581,332,690,809.51/1,172,288.42
  6. Step 6: Final answer
    x = 495,895.62

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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.