Home / 1,429,477.88-1,973,122.34-920,180.25

Finding the Fourth Proportional to 1,429,477.88, 1,973,122.34 and 920,180.25

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Solution

The fourth proportional to 1,429,477.88, 1,973,122.34 and 920,180.25 is: 1,270,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,477.88 : 1,973,122.34 = 920,180.25 : x
  2. Step 2: Convert to fraction form
    1,429,477.88/1,973,122.34 = 920,180.25/x
  3. Step 3: Cross multiply
    1,429,477.88x = 1,973,122.34 × 920,180.25
  4. Step 4: Simplify right side
    1,429,477.88x = 1,815,628,203,500.88
  5. Step 5: Solve for x
    x = 1,815,628,203,500.88/1,429,477.88
  6. Step 6: Final answer
    x = 1,270,133.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.