Home / 1,178,869.98-1,768,650.03-380,135.46

Finding the Fourth Proportional to 1,178,869.98, 1,768,650.03 and 380,135.46

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Solution

The fourth proportional to 1,178,869.98, 1,768,650.03 and 380,135.46 is: 570,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,869.98 : 1,768,650.03 = 380,135.46 : x
  2. Step 2: Convert to fraction form
    1,178,869.98/1,768,650.03 = 380,135.46/x
  3. Step 3: Cross multiply
    1,178,869.98x = 1,768,650.03 × 380,135.46
  4. Step 4: Simplify right side
    1,178,869.98x = 672,326,592,733.06
  5. Step 5: Solve for x
    x = 672,326,592,733.06/1,178,869.98
  6. Step 6: Final answer
    x = 570,314.46

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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.