Home / 1,179,554.63-1,768,882.39-421,254.50

Finding the Fourth Proportional to 1,179,554.63, 1,768,882.39 and 421,254.50

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Solution

The fourth proportional to 1,179,554.63, 1,768,882.39 and 421,254.50 is: 631,721.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,554.63 : 1,768,882.39 = 421,254.50 : x
  2. Step 2: Convert to fraction form
    1,179,554.63/1,768,882.39 = 421,254.50/x
  3. Step 3: Cross multiply
    1,179,554.63x = 1,768,882.39 × 421,254.50
  4. Step 4: Simplify right side
    1,179,554.63x = 745,149,656,860.71
  5. Step 5: Solve for x
    x = 745,149,656,860.71/1,179,554.63
  6. Step 6: Final answer
    x = 631,721.19

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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.