Home / 1,418,940.74-2,127,145.48-520,172.63

Finding the Fourth Proportional to 1,418,940.74, 2,127,145.48 and 520,172.63

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Solution

The fourth proportional to 1,418,940.74, 2,127,145.48 and 520,172.63 is: 779,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,940.74 : 2,127,145.48 = 520,172.63 : x
  2. Step 2: Convert to fraction form
    1,418,940.74/2,127,145.48 = 520,172.63/x
  3. Step 3: Cross multiply
    1,418,940.74x = 2,127,145.48 × 520,172.63
  4. Step 4: Simplify right side
    1,418,940.74x = 1,106,482,868,193.03
  5. Step 5: Solve for x
    x = 1,106,482,868,193.03/1,418,940.74
  6. Step 6: Final answer
    x = 779,794.98

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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.