Home / 1,188,039.36-1,782,058.56-346,590.72

Finding the Fourth Proportional to 1,188,039.36, 1,782,058.56 and 346,590.72

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Solution

The fourth proportional to 1,188,039.36, 1,782,058.56 and 346,590.72 is: 519,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,039.36 : 1,782,058.56 = 346,590.72 : x
  2. Step 2: Convert to fraction form
    1,188,039.36/1,782,058.56 = 346,590.72/x
  3. Step 3: Cross multiply
    1,188,039.36x = 1,782,058.56 × 346,590.72
  4. Step 4: Simplify right side
    1,188,039.36x = 617,644,959,392.56
  5. Step 5: Solve for x
    x = 617,644,959,392.56/1,188,039.36
  6. Step 6: Final answer
    x = 519,885.94

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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.