Home / 1,179,035.57-1,768,897.81-380,299.43

Finding the Fourth Proportional to 1,179,035.57, 1,768,897.81 and 380,299.43

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Solution

The fourth proportional to 1,179,035.57, 1,768,897.81 and 380,299.43 is: 570,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,035.57 : 1,768,897.81 = 380,299.43 : x
  2. Step 2: Convert to fraction form
    1,179,035.57/1,768,897.81 = 380,299.43/x
  3. Step 3: Cross multiply
    1,179,035.57x = 1,768,897.81 × 380,299.43
  4. Step 4: Simplify right side
    1,179,035.57x = 672,710,828,871.25
  5. Step 5: Solve for x
    x = 672,710,828,871.25/1,179,035.57
  6. Step 6: Final answer
    x = 570,560.25

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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.