Home / 1,139,095.09-1,708,390.83-329,303.67

Finding the Fourth Proportional to 1,139,095.09, 1,708,390.83 and 329,303.67

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Solution

The fourth proportional to 1,139,095.09, 1,708,390.83 and 329,303.67 is: 493,882.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,095.09 : 1,708,390.83 = 329,303.67 : x
  2. Step 2: Convert to fraction form
    1,139,095.09/1,708,390.83 = 329,303.67/x
  3. Step 3: Cross multiply
    1,139,095.09x = 1,708,390.83 × 329,303.67
  4. Step 4: Simplify right side
    1,139,095.09x = 562,579,370,113.35
  5. Step 5: Solve for x
    x = 562,579,370,113.35/1,139,095.09
  6. Step 6: Final answer
    x = 493,882.71

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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.