Home / 1,492,205.20-2,238,307.80-370,274.20

Finding the Fourth Proportional to 1,492,205.20, 2,238,307.80 and 370,274.20

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Solution

The fourth proportional to 1,492,205.20, 2,238,307.80 and 370,274.20 is: 555,411.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,205.20 : 2,238,307.80 = 370,274.20 : x
  2. Step 2: Convert to fraction form
    1,492,205.20/2,238,307.80 = 370,274.20/x
  3. Step 3: Cross multiply
    1,492,205.20x = 2,238,307.80 × 370,274.20
  4. Step 4: Simplify right side
    1,492,205.20x = 828,787,629,998.76
  5. Step 5: Solve for x
    x = 828,787,629,998.76/1,492,205.20
  6. Step 6: Final answer
    x = 555,411.30

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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.