Home / 1,260,968.20-1,740,395.12-771,021.48

Finding the Fourth Proportional to 1,260,968.20, 1,740,395.12 and 771,021.48

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Solution

The fourth proportional to 1,260,968.20, 1,740,395.12 and 771,021.48 is: 1,064,168.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,968.20 : 1,740,395.12 = 771,021.48 : x
  2. Step 2: Convert to fraction form
    1,260,968.20/1,740,395.12 = 771,021.48/x
  3. Step 3: Cross multiply
    1,260,968.20x = 1,740,395.12 × 771,021.48
  4. Step 4: Simplify right side
    1,260,968.20x = 1,341,882,021,207.18
  5. Step 5: Solve for x
    x = 1,341,882,021,207.18/1,260,968.20
  6. Step 6: Final answer
    x = 1,064,168.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.