Home / 1,643,815.21-2,465,954.27-506,669.06

Finding the Fourth Proportional to 1,643,815.21, 2,465,954.27 and 506,669.06

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Solution

The fourth proportional to 1,643,815.21, 2,465,954.27 and 506,669.06 is: 760,074.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,815.21 : 2,465,954.27 = 506,669.06 : x
  2. Step 2: Convert to fraction form
    1,643,815.21/2,465,954.27 = 506,669.06/x
  3. Step 3: Cross multiply
    1,643,815.21x = 2,465,954.27 × 506,669.06
  4. Step 4: Simplify right side
    1,643,815.21x = 1,249,422,735,615.43
  5. Step 5: Solve for x
    x = 1,249,422,735,615.43/1,643,815.21
  6. Step 6: Final answer
    x = 760,074.93

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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.