Home / 1,127,042.50-1,690,662.15-285,594.28

Finding the Fourth Proportional to 1,127,042.50, 1,690,662.15 and 285,594.28

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Solution

The fourth proportional to 1,127,042.50, 1,690,662.15 and 285,594.28 is: 428,416.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,042.50 : 1,690,662.15 = 285,594.28 : x
  2. Step 2: Convert to fraction form
    1,127,042.50/1,690,662.15 = 285,594.28/x
  3. Step 3: Cross multiply
    1,127,042.50x = 1,690,662.15 × 285,594.28
  4. Step 4: Simplify right side
    1,127,042.50x = 482,843,439,452.50
  5. Step 5: Solve for x
    x = 482,843,439,452.50/1,127,042.50
  6. Step 6: Final answer
    x = 428,416.35

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Double scale
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1.5x scale

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.