Home / 912,182.51-1,368,496.42-642,835.85

Finding the Fourth Proportional to 912,182.51, 1,368,496.42 and 642,835.85

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Solution

The fourth proportional to 912,182.51, 1,368,496.42 and 642,835.85 is: 964,410.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,182.51 : 1,368,496.42 = 642,835.85 : x
  2. Step 2: Convert to fraction form
    912,182.51/1,368,496.42 = 642,835.85/x
  3. Step 3: Cross multiply
    912,182.51x = 1,368,496.42 × 642,835.85
  4. Step 4: Simplify right side
    912,182.51x = 879,718,550,923.09
  5. Step 5: Solve for x
    x = 879,718,550,923.09/912,182.51
  6. Step 6: Final answer
    x = 964,410.67

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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.