Home / 1,345,010.39-2,008,943.56-1,216,729.32

Finding the Fourth Proportional to 1,345,010.39, 2,008,943.56 and 1,216,729.32

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Solution

The fourth proportional to 1,345,010.39, 2,008,943.56 and 1,216,729.32 is: 1,817,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,010.39 : 2,008,943.56 = 1,216,729.32 : x
  2. Step 2: Convert to fraction form
    1,345,010.39/2,008,943.56 = 1,216,729.32/x
  3. Step 3: Cross multiply
    1,345,010.39x = 2,008,943.56 × 1,216,729.32
  4. Step 4: Simplify right side
    1,345,010.39x = 2,444,340,528,635.36
  5. Step 5: Solve for x
    x = 2,444,340,528,635.36/1,345,010.39
  6. Step 6: Final answer
    x = 1,817,339.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.