Home / 1,798,146.60-2,697,400.29-518,785.76

Finding the Fourth Proportional to 1,798,146.60, 2,697,400.29 and 518,785.76

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Solution

The fourth proportional to 1,798,146.60, 2,697,400.29 and 518,785.76 is: 778,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798,146.60 : 2,697,400.29 = 518,785.76 : x
  2. Step 2: Convert to fraction form
    1,798,146.60/2,697,400.29 = 518,785.76/x
  3. Step 3: Cross multiply
    1,798,146.60x = 2,697,400.29 × 518,785.76
  4. Step 4: Simplify right side
    1,798,146.60x = 1,399,372,845,984.87
  5. Step 5: Solve for x
    x = 1,399,372,845,984.87/1,798,146.60
  6. Step 6: Final answer
    x = 778,230.68

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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.