Home / 1,403,440.82-2,105,420.93-444,137.87

Finding the Fourth Proportional to 1,403,440.82, 2,105,420.93 and 444,137.87

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Solution

The fourth proportional to 1,403,440.82, 2,105,420.93 and 444,137.87 is: 666,288.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,440.82 : 2,105,420.93 = 444,137.87 : x
  2. Step 2: Convert to fraction form
    1,403,440.82/2,105,420.93 = 444,137.87/x
  3. Step 3: Cross multiply
    1,403,440.82x = 2,105,420.93 × 444,137.87
  4. Step 4: Simplify right side
    1,403,440.82x = 935,097,167,303.62
  5. Step 5: Solve for x
    x = 935,097,167,303.62/1,403,440.82
  6. Step 6: Final answer
    x = 666,288.99

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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.