Home / 1,628,646.10-2,441,380.67-775,488.51

Finding the Fourth Proportional to 1,628,646.10, 2,441,380.67 and 775,488.51

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Solution

The fourth proportional to 1,628,646.10, 2,441,380.67 and 775,488.51 is: 1,162,476.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,646.10 : 2,441,380.67 = 775,488.51 : x
  2. Step 2: Convert to fraction form
    1,628,646.10/2,441,380.67 = 775,488.51/x
  3. Step 3: Cross multiply
    1,628,646.10x = 2,441,380.67 × 775,488.51
  4. Step 4: Simplify right side
    1,628,646.10x = 1,893,262,660,347.11
  5. Step 5: Solve for x
    x = 1,893,262,660,347.11/1,628,646.10
  6. Step 6: Final answer
    x = 1,162,476.40

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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.