Home / 1,756,378.50-2,634,574.23-426,682.50

Finding the Fourth Proportional to 1,756,378.50, 2,634,574.23 and 426,682.50

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Solution

The fourth proportional to 1,756,378.50, 2,634,574.23 and 426,682.50 is: 640,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756,378.50 : 2,634,574.23 = 426,682.50 : x
  2. Step 2: Convert to fraction form
    1,756,378.50/2,634,574.23 = 426,682.50/x
  3. Step 3: Cross multiply
    1,756,378.50x = 2,634,574.23 × 426,682.50
  4. Step 4: Simplify right side
    1,756,378.50x = 1,124,126,718,891.98
  5. Step 5: Solve for x
    x = 1,124,126,718,891.98/1,756,378.50
  6. Step 6: Final answer
    x = 640,025.32

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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.