Home / 1,348,804.20-2,023,206.30-1,238,579.40

Finding the Fourth Proportional to 1,348,804.20, 2,023,206.30 and 1,238,579.40

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Solution

The fourth proportional to 1,348,804.20, 2,023,206.30 and 1,238,579.40 is: 1,857,869.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,804.20 : 2,023,206.30 = 1,238,579.40 : x
  2. Step 2: Convert to fraction form
    1,348,804.20/2,023,206.30 = 1,238,579.40/x
  3. Step 3: Cross multiply
    1,348,804.20x = 2,023,206.30 × 1,238,579.40
  4. Step 4: Simplify right side
    1,348,804.20x = 2,505,901,645,130.22
  5. Step 5: Solve for x
    x = 2,505,901,645,130.22/1,348,804.20
  6. Step 6: Final answer
    x = 1,857,869.10

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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.