Home / 876,755.79-1,210,758.60-828,991.02

Finding the Fourth Proportional to 876,755.79, 1,210,758.60 and 828,991.02

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Solution

The fourth proportional to 876,755.79, 1,210,758.60 and 828,991.02 is: 1,144,797.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,755.79 : 1,210,758.60 = 828,991.02 : x
  2. Step 2: Convert to fraction form
    876,755.79/1,210,758.60 = 828,991.02/x
  3. Step 3: Cross multiply
    876,755.79x = 1,210,758.60 × 828,991.02
  4. Step 4: Simplify right side
    876,755.79x = 1,003,708,006,787.77
  5. Step 5: Solve for x
    x = 1,003,708,006,787.77/876,755.79
  6. Step 6: Final answer
    x = 1,144,797.69

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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.