Home / 1,426,849.58-2,140,603.77-480,197.18

Finding the Fourth Proportional to 1,426,849.58, 2,140,603.77 and 480,197.18

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Solution

The fourth proportional to 1,426,849.58, 2,140,603.77 and 480,197.18 is: 720,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,849.58 : 2,140,603.77 = 480,197.18 : x
  2. Step 2: Convert to fraction form
    1,426,849.58/2,140,603.77 = 480,197.18/x
  3. Step 3: Cross multiply
    1,426,849.58x = 2,140,603.77 × 480,197.18
  4. Step 4: Simplify right side
    1,426,849.58x = 1,027,911,893,851.37
  5. Step 5: Solve for x
    x = 1,027,911,893,851.37/1,426,849.58
  6. Step 6: Final answer
    x = 720,406.63

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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.