Home / 985,631.60-1,478,447.40-885,904.40

Finding the Fourth Proportional to 985,631.60, 1,478,447.40 and 885,904.40

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Solution

The fourth proportional to 985,631.60, 1,478,447.40 and 885,904.40 is: 1,328,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,631.60 : 1,478,447.40 = 885,904.40 : x
  2. Step 2: Convert to fraction form
    985,631.60/1,478,447.40 = 885,904.40/x
  3. Step 3: Cross multiply
    985,631.60x = 1,478,447.40 × 885,904.40
  4. Step 4: Simplify right side
    985,631.60x = 1,309,763,056,828.56
  5. Step 5: Solve for x
    x = 1,309,763,056,828.56/985,631.60
  6. Step 6: Final answer
    x = 1,328,856.60

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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.