Home / 1,259,861.60-1,889,792.40-976,426.40

Finding the Fourth Proportional to 1,259,861.60, 1,889,792.40 and 976,426.40

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Solution

The fourth proportional to 1,259,861.60, 1,889,792.40 and 976,426.40 is: 1,464,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,861.60 : 1,889,792.40 = 976,426.40 : x
  2. Step 2: Convert to fraction form
    1,259,861.60/1,889,792.40 = 976,426.40/x
  3. Step 3: Cross multiply
    1,259,861.60x = 1,889,792.40 × 976,426.40
  4. Step 4: Simplify right side
    1,259,861.60x = 1,845,243,189,879.36
  5. Step 5: Solve for x
    x = 1,845,243,189,879.36/1,259,861.60
  6. Step 6: Final answer
    x = 1,464,639.60

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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.