Home / 1,212,307.07-1,818,394.70-370,858.82

Finding the Fourth Proportional to 1,212,307.07, 1,818,394.70 and 370,858.82

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Solution

The fourth proportional to 1,212,307.07, 1,818,394.70 and 370,858.82 is: 556,268.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,307.07 : 1,818,394.70 = 370,858.82 : x
  2. Step 2: Convert to fraction form
    1,212,307.07/1,818,394.70 = 370,858.82/x
  3. Step 3: Cross multiply
    1,212,307.07x = 1,818,394.70 × 370,858.82
  4. Step 4: Simplify right side
    1,212,307.07x = 674,367,715,427.95
  5. Step 5: Solve for x
    x = 674,367,715,427.95/1,212,307.07
  6. Step 6: Final answer
    x = 556,268.07

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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.