Home / 1,438,401.94-2,157,041.58-539,353.24

Finding the Fourth Proportional to 1,438,401.94, 2,157,041.58 and 539,353.24

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Solution

The fourth proportional to 1,438,401.94, 2,157,041.58 and 539,353.24 is: 808,819.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,401.94 : 2,157,041.58 = 539,353.24 : x
  2. Step 2: Convert to fraction form
    1,438,401.94/2,157,041.58 = 539,353.24/x
  3. Step 3: Cross multiply
    1,438,401.94x = 2,157,041.58 × 539,353.24
  4. Step 4: Simplify right side
    1,438,401.94x = 1,163,407,364,987.72
  5. Step 5: Solve for x
    x = 1,163,407,364,987.72/1,438,401.94
  6. Step 6: Final answer
    x = 808,819.38

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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.