Home / 1,353,953.82-2,031,060.12-381,315.67

Finding the Fourth Proportional to 1,353,953.82, 2,031,060.12 and 381,315.67

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Solution

The fourth proportional to 1,353,953.82, 2,031,060.12 and 381,315.67 is: 572,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,953.82 : 2,031,060.12 = 381,315.67 : x
  2. Step 2: Convert to fraction form
    1,353,953.82/2,031,060.12 = 381,315.67/x
  3. Step 3: Cross multiply
    1,353,953.82x = 2,031,060.12 × 381,315.67
  4. Step 4: Simplify right side
    1,353,953.82x = 774,475,050,468.08
  5. Step 5: Solve for x
    x = 774,475,050,468.08/1,353,953.82
  6. Step 6: Final answer
    x = 572,009.95

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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.