Home / 1,420,816.48-2,131,560.87-461,270.23

Finding the Fourth Proportional to 1,420,816.48, 2,131,560.87 and 461,270.23

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Solution

The fourth proportional to 1,420,816.48, 2,131,560.87 and 461,270.23 is: 692,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,816.48 : 2,131,560.87 = 461,270.23 : x
  2. Step 2: Convert to fraction form
    1,420,816.48/2,131,560.87 = 461,270.23/x
  3. Step 3: Cross multiply
    1,420,816.48x = 2,131,560.87 × 461,270.23
  4. Step 4: Simplify right side
    1,420,816.48x = 983,225,565,705.24
  5. Step 5: Solve for x
    x = 983,225,565,705.24/1,420,816.48
  6. Step 6: Final answer
    x = 692,014.47

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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.