Home / 1,117,782.12-1,675,662.04-407,643.80

Finding the Fourth Proportional to 1,117,782.12, 1,675,662.04 and 407,643.80

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Solution

The fourth proportional to 1,117,782.12, 1,675,662.04 and 407,643.80 is: 611,096.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,782.12 : 1,675,662.04 = 407,643.80 : x
  2. Step 2: Convert to fraction form
    1,117,782.12/1,675,662.04 = 407,643.80/x
  3. Step 3: Cross multiply
    1,117,782.12x = 1,675,662.04 × 407,643.80
  4. Step 4: Simplify right side
    1,117,782.12x = 683,073,241,501.35
  5. Step 5: Solve for x
    x = 683,073,241,501.35/1,117,782.12
  6. Step 6: Final answer
    x = 611,096.95

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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.