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Finding the Fourth Proportional to 1,831,458.40, 2,748,006.80 and 833,672.80

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Solution

The fourth proportional to 1,831,458.40, 2,748,006.80 and 833,672.80 is: 1,250,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,458.40 : 2,748,006.80 = 833,672.80 : x
  2. Step 2: Convert to fraction form
    1,831,458.40/2,748,006.80 = 833,672.80/x
  3. Step 3: Cross multiply
    1,831,458.40x = 2,748,006.80 × 833,672.80
  4. Step 4: Simplify right side
    1,831,458.40x = 2,290,938,523,375.04
  5. Step 5: Solve for x
    x = 2,290,938,523,375.04/1,831,458.40
  6. Step 6: Final answer
    x = 1,250,882.10

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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.