Home / 1,263,935.52-1,744,105.68-720,038.89

Finding the Fourth Proportional to 1,263,935.52, 1,744,105.68 and 720,038.89

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Solution

The fourth proportional to 1,263,935.52, 1,744,105.68 and 720,038.89 is: 993,582.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,935.52 : 1,744,105.68 = 720,038.89 : x
  2. Step 2: Convert to fraction form
    1,263,935.52/1,744,105.68 = 720,038.89/x
  3. Step 3: Cross multiply
    1,263,935.52x = 1,744,105.68 × 720,038.89
  4. Step 4: Simplify right side
    1,263,935.52x = 1,255,823,920,050.03
  5. Step 5: Solve for x
    x = 1,255,823,920,050.03/1,263,935.52
  6. Step 6: Final answer
    x = 993,582.27

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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.