Home / 1,553,957.22-2,331,296.42-488,971.60

Finding the Fourth Proportional to 1,553,957.22, 2,331,296.42 and 488,971.60

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Solution

The fourth proportional to 1,553,957.22, 2,331,296.42 and 488,971.60 is: 733,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,957.22 : 2,331,296.42 = 488,971.60 : x
  2. Step 2: Convert to fraction form
    1,553,957.22/2,331,296.42 = 488,971.60/x
  3. Step 3: Cross multiply
    1,553,957.22x = 2,331,296.42 × 488,971.60
  4. Step 4: Simplify right side
    1,553,957.22x = 1,139,937,740,561.67
  5. Step 5: Solve for x
    x = 1,139,937,740,561.67/1,553,957.22
  6. Step 6: Final answer
    x = 733,570.86

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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.