Home / 1,179,073.60-1,768,954.80-380,337.40

Finding the Fourth Proportional to 1,179,073.60, 1,768,954.80 and 380,337.40

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Solution

The fourth proportional to 1,179,073.60, 1,768,954.80 and 380,337.40 is: 570,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,073.60 : 1,768,954.80 = 380,337.40 : x
  2. Step 2: Convert to fraction form
    1,179,073.60/1,768,954.80 = 380,337.40/x
  3. Step 3: Cross multiply
    1,179,073.60x = 1,768,954.80 × 380,337.40
  4. Step 4: Simplify right side
    1,179,073.60x = 672,799,669,349.52
  5. Step 5: Solve for x
    x = 672,799,669,349.52/1,179,073.60
  6. Step 6: Final answer
    x = 570,617.19

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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.