Home / 1,724,427.72-2,379,711-999,695.60

Finding the Fourth Proportional to 1,724,427.72, 2,379,711 and 999,695.60

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Solution

The fourth proportional to 1,724,427.72, 2,379,711 and 999,695.60 is: 1,379,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,427.72 : 2,379,711 = 999,695.60 : x
  2. Step 2: Convert to fraction form
    1,724,427.72/2,379,711 = 999,695.60/x
  3. Step 3: Cross multiply
    1,724,427.72x = 2,379,711 × 999,695.60
  4. Step 4: Simplify right side
    1,724,427.72x = 2,378,986,615,971.60
  5. Step 5: Solve for x
    x = 2,378,986,615,971.60/1,724,427.72
  6. Step 6: Final answer
    x = 1,379,580.36

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Double scale
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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.