Home / 1,025,899.29-1,415,006.78-720,043.92

Finding the Fourth Proportional to 1,025,899.29, 1,415,006.78 and 720,043.92

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Solution

The fourth proportional to 1,025,899.29, 1,415,006.78 and 720,043.92 is: 993,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,899.29 : 1,415,006.78 = 720,043.92 : x
  2. Step 2: Convert to fraction form
    1,025,899.29/1,415,006.78 = 720,043.92/x
  3. Step 3: Cross multiply
    1,025,899.29x = 1,415,006.78 × 720,043.92
  4. Step 4: Simplify right side
    1,025,899.29x = 1,018,867,028,697.78
  5. Step 5: Solve for x
    x = 1,018,867,028,697.78/1,025,899.29
  6. Step 6: Final answer
    x = 993,145.27

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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.