Home / 1,447,894.21-1,998,094.25-803,312.86

Finding the Fourth Proportional to 1,447,894.21, 1,998,094.25 and 803,312.86

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Solution

The fourth proportional to 1,447,894.21, 1,998,094.25 and 803,312.86 is: 1,108,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,894.21 : 1,998,094.25 = 803,312.86 : x
  2. Step 2: Convert to fraction form
    1,447,894.21/1,998,094.25 = 803,312.86/x
  3. Step 3: Cross multiply
    1,447,894.21x = 1,998,094.25 × 803,312.86
  4. Step 4: Simplify right side
    1,447,894.21x = 1,605,094,806,517.06
  5. Step 5: Solve for x
    x = 1,605,094,806,517.06/1,447,894.21
  6. Step 6: Final answer
    x = 1,108,571.88

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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.