Home / 1,190,488.96-1,785,800.80-380,944.64

Finding the Fourth Proportional to 1,190,488.96, 1,785,800.80 and 380,944.64

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Solution

The fourth proportional to 1,190,488.96, 1,785,800.80 and 380,944.64 is: 571,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,488.96 : 1,785,800.80 = 380,944.64 : x
  2. Step 2: Convert to fraction form
    1,190,488.96/1,785,800.80 = 380,944.64/x
  3. Step 3: Cross multiply
    1,190,488.96x = 1,785,800.80 × 380,944.64
  4. Step 4: Simplify right side
    1,190,488.96x = 680,291,242,867.71
  5. Step 5: Solve for x
    x = 680,291,242,867.71/1,190,488.96
  6. Step 6: Final answer
    x = 571,438.51

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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.