Home / 1,521,271.05-2,099,354.54-832,986.52

Finding the Fourth Proportional to 1,521,271.05, 2,099,354.54 and 832,986.52

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Solution

The fourth proportional to 1,521,271.05, 2,099,354.54 and 832,986.52 is: 1,149,521.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,271.05 : 2,099,354.54 = 832,986.52 : x
  2. Step 2: Convert to fraction form
    1,521,271.05/2,099,354.54 = 832,986.52/x
  3. Step 3: Cross multiply
    1,521,271.05x = 2,099,354.54 × 832,986.52
  4. Step 4: Simplify right side
    1,521,271.05x = 1,748,734,032,520.80
  5. Step 5: Solve for x
    x = 1,748,734,032,520.80/1,521,271.05
  6. Step 6: Final answer
    x = 1,149,521.67

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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.