Home / 1,211,374.50-1,671,731.37-674,865.06

Finding the Fourth Proportional to 1,211,374.50, 1,671,731.37 and 674,865.06

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Solution

The fourth proportional to 1,211,374.50, 1,671,731.37 and 674,865.06 is: 931,333.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,374.50 : 1,671,731.37 = 674,865.06 : x
  2. Step 2: Convert to fraction form
    1,211,374.50/1,671,731.37 = 674,865.06/x
  3. Step 3: Cross multiply
    1,211,374.50x = 1,671,731.37 × 674,865.06
  4. Step 4: Simplify right side
    1,211,374.50x = 1,128,193,091,318.93
  5. Step 5: Solve for x
    x = 1,128,193,091,318.93/1,211,374.50
  6. Step 6: Final answer
    x = 931,333.04

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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.