Home / 984,857.80-1,477,286.70-843,140.20

Finding the Fourth Proportional to 984,857.80, 1,477,286.70 and 843,140.20

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Solution

The fourth proportional to 984,857.80, 1,477,286.70 and 843,140.20 is: 1,264,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,857.80 : 1,477,286.70 = 843,140.20 : x
  2. Step 2: Convert to fraction form
    984,857.80/1,477,286.70 = 843,140.20/x
  3. Step 3: Cross multiply
    984,857.80x = 1,477,286.70 × 843,140.20
  4. Step 4: Simplify right side
    984,857.80x = 1,245,559,803,695.34
  5. Step 5: Solve for x
    x = 1,245,559,803,695.34/984,857.80
  6. Step 6: Final answer
    x = 1,264,710.30

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Double scale
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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.