Home / 1,522,074.64-2,100,478.44-918,346

Finding the Fourth Proportional to 1,522,074.64, 2,100,478.44 and 918,346

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Solution

The fourth proportional to 1,522,074.64, 2,100,478.44 and 918,346 is: 1,267,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,074.64 : 2,100,478.44 = 918,346 : x
  2. Step 2: Convert to fraction form
    1,522,074.64/2,100,478.44 = 918,346/x
  3. Step 3: Cross multiply
    1,522,074.64x = 2,100,478.44 × 918,346
  4. Step 4: Simplify right side
    1,522,074.64x = 1,928,965,973,460.24
  5. Step 5: Solve for x
    x = 1,928,965,973,460.24/1,522,074.64
  6. Step 6: Final answer
    x = 1,267,326.79

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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.