Home / 1,213,812.40-1,820,718.60-372,362.80

Finding the Fourth Proportional to 1,213,812.40, 1,820,718.60 and 372,362.80

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Solution

The fourth proportional to 1,213,812.40, 1,820,718.60 and 372,362.80 is: 558,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,812.40 : 1,820,718.60 = 372,362.80 : x
  2. Step 2: Convert to fraction form
    1,213,812.40/1,820,718.60 = 372,362.80/x
  3. Step 3: Cross multiply
    1,213,812.40x = 1,820,718.60 × 372,362.80
  4. Step 4: Simplify right side
    1,213,812.40x = 677,967,875,908.08
  5. Step 5: Solve for x
    x = 677,967,875,908.08/1,213,812.40
  6. Step 6: Final answer
    x = 558,544.20

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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.