Home / 1,527,043.10-2,287,076.38-728,886.51

Finding the Fourth Proportional to 1,527,043.10, 2,287,076.38 and 728,886.51

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Solution

The fourth proportional to 1,527,043.10, 2,287,076.38 and 728,886.51 is: 1,091,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,043.10 : 2,287,076.38 = 728,886.51 : x
  2. Step 2: Convert to fraction form
    1,527,043.10/2,287,076.38 = 728,886.51/x
  3. Step 3: Cross multiply
    1,527,043.10x = 2,287,076.38 × 728,886.51
  4. Step 4: Simplify right side
    1,527,043.10x = 1,667,019,118,899.42
  5. Step 5: Solve for x
    x = 1,667,019,118,899.42/1,527,043.10
  6. Step 6: Final answer
    x = 1,091,664.75

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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.