Home / 1,426,120.49-2,140,021.42-528,192.74

Finding the Fourth Proportional to 1,426,120.49, 2,140,021.42 and 528,192.74

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Solution

The fourth proportional to 1,426,120.49, 2,140,021.42 and 528,192.74 is: 792,600.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,120.49 : 2,140,021.42 = 528,192.74 : x
  2. Step 2: Convert to fraction form
    1,426,120.49/2,140,021.42 = 528,192.74/x
  3. Step 3: Cross multiply
    1,426,120.49x = 2,140,021.42 × 528,192.74
  4. Step 4: Simplify right side
    1,426,120.49x = 1,130,343,766,471.04
  5. Step 5: Solve for x
    x = 1,130,343,766,471.04/1,426,120.49
  6. Step 6: Final answer
    x = 792,600.47

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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.