Home / 1,421,050.80-2,128,465.80-1,234,426.80

Finding the Fourth Proportional to 1,421,050.80, 2,128,465.80 and 1,234,426.80

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Solution

The fourth proportional to 1,421,050.80, 2,128,465.80 and 1,234,426.80 is: 1,848,938.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,050.80 : 2,128,465.80 = 1,234,426.80 : x
  2. Step 2: Convert to fraction form
    1,421,050.80/2,128,465.80 = 1,234,426.80/x
  3. Step 3: Cross multiply
    1,421,050.80x = 2,128,465.80 × 1,234,426.80
  4. Step 4: Simplify right side
    1,421,050.80x = 2,627,435,226,403.44
  5. Step 5: Solve for x
    x = 2,627,435,226,403.44/1,421,050.80
  6. Step 6: Final answer
    x = 1,848,938.28

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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.