Home / 1,190,572.82-1,641,427.08-859,150.64

Finding the Fourth Proportional to 1,190,572.82, 1,641,427.08 and 859,150.64

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Solution

The fourth proportional to 1,190,572.82, 1,641,427.08 and 859,150.64 is: 1,184,499.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,572.82 : 1,641,427.08 = 859,150.64 : x
  2. Step 2: Convert to fraction form
    1,190,572.82/1,641,427.08 = 859,150.64/x
  3. Step 3: Cross multiply
    1,190,572.82x = 1,641,427.08 × 859,150.64
  4. Step 4: Simplify right side
    1,190,572.82x = 1,410,233,118,088.20
  5. Step 5: Solve for x
    x = 1,410,233,118,088.20/1,190,572.82
  6. Step 6: Final answer
    x = 1,184,499.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.