Home / 1,025,898.29-1,415,005.40-720,042.92

Finding the Fourth Proportional to 1,025,898.29, 1,415,005.40 and 720,042.92

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Solution

The fourth proportional to 1,025,898.29, 1,415,005.40 and 720,042.92 is: 993,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,898.29 : 1,415,005.40 = 720,042.92 : x
  2. Step 2: Convert to fraction form
    1,025,898.29/1,415,005.40 = 720,042.92/x
  3. Step 3: Cross multiply
    1,025,898.29x = 1,415,005.40 × 720,042.92
  4. Step 4: Simplify right side
    1,025,898.29x = 1,018,864,620,063.12
  5. Step 5: Solve for x
    x = 1,018,864,620,063.12/1,025,898.29
  6. Step 6: Final answer
    x = 993,143.89

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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.