Home / 1,626,237.37-2,439,134.61-428,059.35

Finding the Fourth Proportional to 1,626,237.37, 2,439,134.61 and 428,059.35

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Solution

The fourth proportional to 1,626,237.37, 2,439,134.61 and 428,059.35 is: 642,030.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,237.37 : 2,439,134.61 = 428,059.35 : x
  2. Step 2: Convert to fraction form
    1,626,237.37/2,439,134.61 = 428,059.35/x
  3. Step 3: Cross multiply
    1,626,237.37x = 2,439,134.61 × 428,059.35
  4. Step 4: Simplify right side
    1,626,237.37x = 1,044,094,363,523.43
  5. Step 5: Solve for x
    x = 1,044,094,363,523.43/1,626,237.37
  6. Step 6: Final answer
    x = 642,030.73

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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.