Home / 1,679,660.51-2,519,492.72-417,488.13

Finding the Fourth Proportional to 1,679,660.51, 2,519,492.72 and 417,488.13

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Solution

The fourth proportional to 1,679,660.51, 2,519,492.72 and 417,488.13 is: 626,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,660.51 : 2,519,492.72 = 417,488.13 : x
  2. Step 2: Convert to fraction form
    1,679,660.51/2,519,492.72 = 417,488.13/x
  3. Step 3: Cross multiply
    1,679,660.51x = 2,519,492.72 × 417,488.13
  4. Step 4: Simplify right side
    1,679,660.51x = 1,051,858,302,133.97
  5. Step 5: Solve for x
    x = 1,051,858,302,133.97/1,679,660.51
  6. Step 6: Final answer
    x = 626,232.68

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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.