Home / 1,438,994.48-2,157,353.06-540,336.11

Finding the Fourth Proportional to 1,438,994.48, 2,157,353.06 and 540,336.11

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Solution

The fourth proportional to 1,438,994.48, 2,157,353.06 and 540,336.11 is: 810,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,994.48 : 2,157,353.06 = 540,336.11 : x
  2. Step 2: Convert to fraction form
    1,438,994.48/2,157,353.06 = 540,336.11/x
  3. Step 3: Cross multiply
    1,438,994.48x = 2,157,353.06 × 540,336.11
  4. Step 4: Simplify right side
    1,438,994.48x = 1,165,695,746,848.55
  5. Step 5: Solve for x
    x = 1,165,695,746,848.55/1,438,994.48
  6. Step 6: Final answer
    x = 810,076.60

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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.