Home / 1,425,220.45-2,137,830.66-360,262.50

Finding the Fourth Proportional to 1,425,220.45, 2,137,830.66 and 360,262.50

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Solution

The fourth proportional to 1,425,220.45, 2,137,830.66 and 360,262.50 is: 540,393.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,220.45 : 2,137,830.66 = 360,262.50 : x
  2. Step 2: Convert to fraction form
    1,425,220.45/2,137,830.66 = 360,262.50/x
  3. Step 3: Cross multiply
    1,425,220.45x = 2,137,830.66 × 360,262.50
  4. Step 4: Simplify right side
    1,425,220.45x = 770,180,218,148.25
  5. Step 5: Solve for x
    x = 770,180,218,148.25/1,425,220.45
  6. Step 6: Final answer
    x = 540,393.75

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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.