Home / 1,431,357.70-1,975,240.16-777,968.22

Finding the Fourth Proportional to 1,431,357.70, 1,975,240.16 and 777,968.22

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Solution

The fourth proportional to 1,431,357.70, 1,975,240.16 and 777,968.22 is: 1,073,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,357.70 : 1,975,240.16 = 777,968.22 : x
  2. Step 2: Convert to fraction form
    1,431,357.70/1,975,240.16 = 777,968.22/x
  3. Step 3: Cross multiply
    1,431,357.70x = 1,975,240.16 × 777,968.22
  4. Step 4: Simplify right side
    1,431,357.70x = 1,536,674,071,347.72
  5. Step 5: Solve for x
    x = 1,536,674,071,347.72/1,431,357.70
  6. Step 6: Final answer
    x = 1,073,577.95

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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.