Home / 1,389,435.52-2,084,072.64-536,340.28

Finding the Fourth Proportional to 1,389,435.52, 2,084,072.64 and 536,340.28

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Solution

The fourth proportional to 1,389,435.52, 2,084,072.64 and 536,340.28 is: 804,479.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,435.52 : 2,084,072.64 = 536,340.28 : x
  2. Step 2: Convert to fraction form
    1,389,435.52/2,084,072.64 = 536,340.28/x
  3. Step 3: Cross multiply
    1,389,435.52x = 2,084,072.64 × 536,340.28
  4. Step 4: Simplify right side
    1,389,435.52x = 1,117,772,103,277.94
  5. Step 5: Solve for x
    x = 1,117,772,103,277.94/1,389,435.52
  6. Step 6: Final answer
    x = 804,479.29

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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.