Home / 1,128,743.88-1,693,274.58-330,085.50

Finding the Fourth Proportional to 1,128,743.88, 1,693,274.58 and 330,085.50

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Solution

The fourth proportional to 1,128,743.88, 1,693,274.58 and 330,085.50 is: 495,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,743.88 : 1,693,274.58 = 330,085.50 : x
  2. Step 2: Convert to fraction form
    1,128,743.88/1,693,274.58 = 330,085.50/x
  3. Step 3: Cross multiply
    1,128,743.88x = 1,693,274.58 × 330,085.50
  4. Step 4: Simplify right side
    1,128,743.88x = 558,925,386,376.59
  5. Step 5: Solve for x
    x = 558,925,386,376.59/1,128,743.88
  6. Step 6: Final answer
    x = 495,174.68

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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.