Home / 1,643,641.88-2,465,462.88-445,564.13

Finding the Fourth Proportional to 1,643,641.88, 2,465,462.88 and 445,564.13

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Solution

The fourth proportional to 1,643,641.88, 2,465,462.88 and 445,564.13 is: 668,346.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,641.88 : 2,465,462.88 = 445,564.13 : x
  2. Step 2: Convert to fraction form
    1,643,641.88/2,465,462.88 = 445,564.13/x
  3. Step 3: Cross multiply
    1,643,641.88x = 2,465,462.88 × 445,564.13
  4. Step 4: Simplify right side
    1,643,641.88x = 1,098,521,810,847.18
  5. Step 5: Solve for x
    x = 1,098,521,810,847.18/1,643,641.88
  6. Step 6: Final answer
    x = 668,346.21

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1.5x scale

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.