Home / 1,236,491.60-1,854,823.80-488,440.40

Finding the Fourth Proportional to 1,236,491.60, 1,854,823.80 and 488,440.40

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Solution

The fourth proportional to 1,236,491.60, 1,854,823.80 and 488,440.40 is: 732,694.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,491.60 : 1,854,823.80 = 488,440.40 : x
  2. Step 2: Convert to fraction form
    1,236,491.60/1,854,823.80 = 488,440.40/x
  3. Step 3: Cross multiply
    1,236,491.60x = 1,854,823.80 × 488,440.40
  4. Step 4: Simplify right side
    1,236,491.60x = 905,970,878,801.52
  5. Step 5: Solve for x
    x = 905,970,878,801.52/1,236,491.60
  6. Step 6: Final answer
    x = 732,694.73

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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.