Home / 1,209,643.20-1,814,464.80-1,023,019.20

Finding the Fourth Proportional to 1,209,643.20, 1,814,464.80 and 1,023,019.20

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Solution

The fourth proportional to 1,209,643.20, 1,814,464.80 and 1,023,019.20 is: 1,534,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,643.20 : 1,814,464.80 = 1,023,019.20 : x
  2. Step 2: Convert to fraction form
    1,209,643.20/1,814,464.80 = 1,023,019.20/x
  3. Step 3: Cross multiply
    1,209,643.20x = 1,814,464.80 × 1,023,019.20
  4. Step 4: Simplify right side
    1,209,643.20x = 1,856,232,328,124.16
  5. Step 5: Solve for x
    x = 1,856,232,328,124.16/1,209,643.20
  6. Step 6: Final answer
    x = 1,534,528.80

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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.