Home / 1,206,975.90-1,810,458.70-308,416.20

Finding the Fourth Proportional to 1,206,975.90, 1,810,458.70 and 308,416.20

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Solution

The fourth proportional to 1,206,975.90, 1,810,458.70 and 308,416.20 is: 462,622.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,975.90 : 1,810,458.70 = 308,416.20 : x
  2. Step 2: Convert to fraction form
    1,206,975.90/1,810,458.70 = 308,416.20/x
  3. Step 3: Cross multiply
    1,206,975.90x = 1,810,458.70 × 308,416.20
  4. Step 4: Simplify right side
    1,206,975.90x = 558,374,792,510.94
  5. Step 5: Solve for x
    x = 558,374,792,510.94/1,206,975.90
  6. Step 6: Final answer
    x = 462,622.98

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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.