Home / 1,518,741.20-2,278,138.80-453,796.40

Finding the Fourth Proportional to 1,518,741.20, 2,278,138.80 and 453,796.40

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Solution

The fourth proportional to 1,518,741.20, 2,278,138.80 and 453,796.40 is: 680,702.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,741.20 : 2,278,138.80 = 453,796.40 : x
  2. Step 2: Convert to fraction form
    1,518,741.20/2,278,138.80 = 453,796.40/x
  3. Step 3: Cross multiply
    1,518,741.20x = 2,278,138.80 × 453,796.40
  4. Step 4: Simplify right side
    1,518,741.20x = 1,033,811,186,140.32
  5. Step 5: Solve for x
    x = 1,033,811,186,140.32/1,518,741.20
  6. Step 6: Final answer
    x = 680,702.67

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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.