Home / 1,260,254.42-1,890,627.69-407,537.90

Finding the Fourth Proportional to 1,260,254.42, 1,890,627.69 and 407,537.90

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Solution

The fourth proportional to 1,260,254.42, 1,890,627.69 and 407,537.90 is: 611,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,254.42 : 1,890,627.69 = 407,537.90 : x
  2. Step 2: Convert to fraction form
    1,260,254.42/1,890,627.69 = 407,537.90/x
  3. Step 3: Cross multiply
    1,260,254.42x = 1,890,627.69 × 407,537.90
  4. Step 4: Simplify right side
    1,260,254.42x = 770,502,438,464.45
  5. Step 5: Solve for x
    x = 770,502,438,464.45/1,260,254.42
  6. Step 6: Final answer
    x = 611,386.42

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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.