Home / 1,260,050.99-1,890,072.77-313,421.67

Finding the Fourth Proportional to 1,260,050.99, 1,890,072.77 and 313,421.67

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Solution

The fourth proportional to 1,260,050.99, 1,890,072.77 and 313,421.67 is: 470,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,050.99 : 1,890,072.77 = 313,421.67 : x
  2. Step 2: Convert to fraction form
    1,260,050.99/1,890,072.77 = 313,421.67/x
  3. Step 3: Cross multiply
    1,260,050.99x = 1,890,072.77 × 313,421.67
  4. Step 4: Simplify right side
    1,260,050.99x = 592,389,762,427.82
  5. Step 5: Solve for x
    x = 592,389,762,427.82/1,260,050.99
  6. Step 6: Final answer
    x = 470,131.58

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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.