Home / 1,297,907.40-1,946,861.10-766,466.40

Finding the Fourth Proportional to 1,297,907.40, 1,946,861.10 and 766,466.40

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Solution

The fourth proportional to 1,297,907.40, 1,946,861.10 and 766,466.40 is: 1,149,699.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,907.40 : 1,946,861.10 = 766,466.40 : x
  2. Step 2: Convert to fraction form
    1,297,907.40/1,946,861.10 = 766,466.40/x
  3. Step 3: Cross multiply
    1,297,907.40x = 1,946,861.10 × 766,466.40
  4. Step 4: Simplify right side
    1,297,907.40x = 1,492,203,618,617.04
  5. Step 5: Solve for x
    x = 1,492,203,618,617.04/1,297,907.40
  6. Step 6: Final answer
    x = 1,149,699.60

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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.