Home / 1,247,146.88-1,870,258.40-448,213.12

Finding the Fourth Proportional to 1,247,146.88, 1,870,258.40 and 448,213.12

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Solution

The fourth proportional to 1,247,146.88, 1,870,258.40 and 448,213.12 is: 672,153.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,146.88 : 1,870,258.40 = 448,213.12 : x
  2. Step 2: Convert to fraction form
    1,247,146.88/1,870,258.40 = 448,213.12/x
  3. Step 3: Cross multiply
    1,247,146.88x = 1,870,258.40 × 448,213.12
  4. Step 4: Simplify right side
    1,247,146.88x = 838,274,352,670.21
  5. Step 5: Solve for x
    x = 838,274,352,670.21/1,247,146.88
  6. Step 6: Final answer
    x = 672,153.67

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1.5x scale

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.