Home / 1,494,394.68-2,062,271.34-815,345.40

Finding the Fourth Proportional to 1,494,394.68, 2,062,271.34 and 815,345.40

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Solution

The fourth proportional to 1,494,394.68, 2,062,271.34 and 815,345.40 is: 1,125,180.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,394.68 : 2,062,271.34 = 815,345.40 : x
  2. Step 2: Convert to fraction form
    1,494,394.68/2,062,271.34 = 815,345.40/x
  3. Step 3: Cross multiply
    1,494,394.68x = 2,062,271.34 × 815,345.40
  4. Step 4: Simplify right side
    1,494,394.68x = 1,681,463,450,620.84
  5. Step 5: Solve for x
    x = 1,681,463,450,620.84/1,494,394.68
  6. Step 6: Final answer
    x = 1,125,180.30

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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.