Home / 1,993,125.90-2,989,688.85-731,445.60

Finding the Fourth Proportional to 1,993,125.90, 2,989,688.85 and 731,445.60

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Solution

The fourth proportional to 1,993,125.90, 2,989,688.85 and 731,445.60 is: 1,097,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,125.90 : 2,989,688.85 = 731,445.60 : x
  2. Step 2: Convert to fraction form
    1,993,125.90/2,989,688.85 = 731,445.60/x
  3. Step 3: Cross multiply
    1,993,125.90x = 2,989,688.85 × 731,445.60
  4. Step 4: Simplify right side
    1,993,125.90x = 2,186,794,754,701.56
  5. Step 5: Solve for x
    x = 2,186,794,754,701.56/1,993,125.90
  6. Step 6: Final answer
    x = 1,097,168.40

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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.