Home / 1,345,228.36-2,017,849.83-398,607.28

Finding the Fourth Proportional to 1,345,228.36, 2,017,849.83 and 398,607.28

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Solution

The fourth proportional to 1,345,228.36, 2,017,849.83 and 398,607.28 is: 597,913.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,228.36 : 2,017,849.83 = 398,607.28 : x
  2. Step 2: Convert to fraction form
    1,345,228.36/2,017,849.83 = 398,607.28/x
  3. Step 3: Cross multiply
    1,345,228.36x = 2,017,849.83 × 398,607.28
  4. Step 4: Simplify right side
    1,345,228.36x = 804,329,622,095.51
  5. Step 5: Solve for x
    x = 804,329,622,095.51/1,345,228.36
  6. Step 6: Final answer
    x = 597,913.07

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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.