Home / 1,212,325.80-1,818,422.78-370,877.55

Finding the Fourth Proportional to 1,212,325.80, 1,818,422.78 and 370,877.55

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Solution

The fourth proportional to 1,212,325.80, 1,818,422.78 and 370,877.55 is: 556,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,325.80 : 1,818,422.78 = 370,877.55 : x
  2. Step 2: Convert to fraction form
    1,212,325.80/1,818,422.78 = 370,877.55/x
  3. Step 3: Cross multiply
    1,212,325.80x = 1,818,422.78 × 370,877.55
  4. Step 4: Simplify right side
    1,212,325.80x = 674,412,183,656.20
  5. Step 5: Solve for x
    x = 674,412,183,656.20/1,212,325.80
  6. Step 6: Final answer
    x = 556,296.16

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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.