Home / 1,404,153.23-2,107,411.43-1,315,579.73

Finding the Fourth Proportional to 1,404,153.23, 2,107,411.43 and 1,315,579.73

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Solution

The fourth proportional to 1,404,153.23, 2,107,411.43 and 1,315,579.73 is: 1,974,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,153.23 : 2,107,411.43 = 1,315,579.73 : x
  2. Step 2: Convert to fraction form
    1,404,153.23/2,107,411.43 = 1,315,579.73/x
  3. Step 3: Cross multiply
    1,404,153.23x = 2,107,411.43 × 1,315,579.73
  4. Step 4: Simplify right side
    1,404,153.23x = 2,772,467,742,963.36
  5. Step 5: Solve for x
    x = 2,772,467,742,963.36/1,404,153.23
  6. Step 6: Final answer
    x = 1,974,476.64

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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.