Home / 1,628,643.90-2,441,376.96-775,486.38

Finding the Fourth Proportional to 1,628,643.90, 2,441,376.96 and 775,486.38

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Solution

The fourth proportional to 1,628,643.90, 2,441,376.96 and 775,486.38 is: 1,162,473.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,643.90 : 2,441,376.96 = 775,486.38 : x
  2. Step 2: Convert to fraction form
    1,628,643.90/2,441,376.96 = 775,486.38/x
  3. Step 3: Cross multiply
    1,628,643.90x = 2,441,376.96 × 775,486.38
  4. Step 4: Simplify right side
    1,628,643.90x = 1,893,254,580,925.80
  5. Step 5: Solve for x
    x = 1,893,254,580,925.80/1,628,643.90
  6. Step 6: Final answer
    x = 1,162,473.01

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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.