Home / 1,172,802.78-1,617,467.67-901,527.90

Finding the Fourth Proportional to 1,172,802.78, 1,617,467.67 and 901,527.90

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Solution

The fourth proportional to 1,172,802.78, 1,617,467.67 and 901,527.90 is: 1,243,339.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,802.78 : 1,617,467.67 = 901,527.90 : x
  2. Step 2: Convert to fraction form
    1,172,802.78/1,617,467.67 = 901,527.90/x
  3. Step 3: Cross multiply
    1,172,802.78x = 1,617,467.67 × 901,527.90
  4. Step 4: Simplify right side
    1,172,802.78x = 1,458,192,231,852.99
  5. Step 5: Solve for x
    x = 1,458,192,231,852.99/1,172,802.78
  6. Step 6: Final answer
    x = 1,243,339.68

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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.