Home / 1,525,656.40-2,288,447.67-388,421.06

Finding the Fourth Proportional to 1,525,656.40, 2,288,447.67 and 388,421.06

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Solution

The fourth proportional to 1,525,656.40, 2,288,447.67 and 388,421.06 is: 582,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525,656.40 : 2,288,447.67 = 388,421.06 : x
  2. Step 2: Convert to fraction form
    1,525,656.40/2,288,447.67 = 388,421.06/x
  3. Step 3: Cross multiply
    1,525,656.40x = 2,288,447.67 × 388,421.06
  4. Step 4: Simplify right side
    1,525,656.40x = 888,881,259,750.27
  5. Step 5: Solve for x
    x = 888,881,259,750.27/1,525,656.40
  6. Step 6: Final answer
    x = 582,622.18

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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.