Home / 1,490,269.54-2,056,288.52-946,493.86

Finding the Fourth Proportional to 1,490,269.54, 2,056,288.52 and 946,493.86

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Solution

The fourth proportional to 1,490,269.54, 2,056,288.52 and 946,493.86 is: 1,305,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,269.54 : 2,056,288.52 = 946,493.86 : x
  2. Step 2: Convert to fraction form
    1,490,269.54/2,056,288.52 = 946,493.86/x
  3. Step 3: Cross multiply
    1,490,269.54x = 2,056,288.52 × 946,493.86
  4. Step 4: Simplify right side
    1,490,269.54x = 1,946,264,458,568.49
  5. Step 5: Solve for x
    x = 1,946,264,458,568.49/1,490,269.54
  6. Step 6: Final answer
    x = 1,305,981.51

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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.