Home / 1,119,667.60-1,679,501.40-646,109.20

Finding the Fourth Proportional to 1,119,667.60, 1,679,501.40 and 646,109.20

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Solution

The fourth proportional to 1,119,667.60, 1,679,501.40 and 646,109.20 is: 969,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,667.60 : 1,679,501.40 = 646,109.20 : x
  2. Step 2: Convert to fraction form
    1,119,667.60/1,679,501.40 = 646,109.20/x
  3. Step 3: Cross multiply
    1,119,667.60x = 1,679,501.40 × 646,109.20
  4. Step 4: Simplify right side
    1,119,667.60x = 1,085,141,305,952.88
  5. Step 5: Solve for x
    x = 1,085,141,305,952.88/1,119,667.60
  6. Step 6: Final answer
    x = 969,163.80

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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.