Home / 1,270,740.72-1,905,820.56-758,550

Finding the Fourth Proportional to 1,270,740.72, 1,905,820.56 and 758,550

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Solution

The fourth proportional to 1,270,740.72, 1,905,820.56 and 758,550 is: 1,137,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,740.72 : 1,905,820.56 = 758,550 : x
  2. Step 2: Convert to fraction form
    1,270,740.72/1,905,820.56 = 758,550/x
  3. Step 3: Cross multiply
    1,270,740.72x = 1,905,820.56 × 758,550
  4. Step 4: Simplify right side
    1,270,740.72x = 1,445,660,185,788
  5. Step 5: Solve for x
    x = 1,445,660,185,788/1,270,740.72
  6. Step 6: Final answer
    x = 1,137,651.58

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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.