Home / 1,806,144.78-2,492,483.31-1,001,328.78

Finding the Fourth Proportional to 1,806,144.78, 2,492,483.31 and 1,001,328.78

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Solution

The fourth proportional to 1,806,144.78, 2,492,483.31 and 1,001,328.78 is: 1,381,835.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,806,144.78 : 2,492,483.31 = 1,001,328.78 : x
  2. Step 2: Convert to fraction form
    1,806,144.78/2,492,483.31 = 1,001,328.78/x
  3. Step 3: Cross multiply
    1,806,144.78x = 2,492,483.31 × 1,001,328.78
  4. Step 4: Simplify right side
    1,806,144.78x = 2,495,795,271,972.66
  5. Step 5: Solve for x
    x = 2,495,795,271,972.66/1,806,144.78
  6. Step 6: Final answer
    x = 1,381,835.66

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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.