Home / 1,387,924.07-2,076,128.55-1,302,893.51

Finding the Fourth Proportional to 1,387,924.07, 2,076,128.55 and 1,302,893.51

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Solution

The fourth proportional to 1,387,924.07, 2,076,128.55 and 1,302,893.51 is: 1,948,935.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,924.07 : 2,076,128.55 = 1,302,893.51 : x
  2. Step 2: Convert to fraction form
    1,387,924.07/2,076,128.55 = 1,302,893.51/x
  3. Step 3: Cross multiply
    1,387,924.07x = 2,076,128.55 × 1,302,893.51
  4. Step 4: Simplify right side
    1,387,924.07x = 2,704,974,403,340.07
  5. Step 5: Solve for x
    x = 2,704,974,403,340.07/1,387,924.07
  6. Step 6: Final answer
    x = 1,948,935.44

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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.