Home / 1,408,245.48-1,943,379.27-763,665.50

Finding the Fourth Proportional to 1,408,245.48, 1,943,379.27 and 763,665.50

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Solution

The fourth proportional to 1,408,245.48, 1,943,379.27 and 763,665.50 is: 1,053,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,245.48 : 1,943,379.27 = 763,665.50 : x
  2. Step 2: Convert to fraction form
    1,408,245.48/1,943,379.27 = 763,665.50/x
  3. Step 3: Cross multiply
    1,408,245.48x = 1,943,379.27 × 763,665.50
  4. Step 4: Simplify right side
    1,408,245.48x = 1,484,091,702,348.71
  5. Step 5: Solve for x
    x = 1,484,091,702,348.71/1,408,245.48
  6. Step 6: Final answer
    x = 1,053,858.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.