Home / 1,436,653.88-2,154,991.61-637,720.64

Finding the Fourth Proportional to 1,436,653.88, 2,154,991.61 and 637,720.64

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Solution

The fourth proportional to 1,436,653.88, 2,154,991.61 and 637,720.64 is: 956,585.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,653.88 : 2,154,991.61 = 637,720.64 : x
  2. Step 2: Convert to fraction form
    1,436,653.88/2,154,991.61 = 637,720.64/x
  3. Step 3: Cross multiply
    1,436,653.88x = 2,154,991.61 × 637,720.64
  4. Step 4: Simplify right side
    1,436,653.88x = 1,374,282,619,543.17
  5. Step 5: Solve for x
    x = 1,374,282,619,543.17/1,436,653.88
  6. Step 6: Final answer
    x = 956,585.75

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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.