Home / 1,212,307.47-1,818,395.24-370,859.22

Finding the Fourth Proportional to 1,212,307.47, 1,818,395.24 and 370,859.22

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Solution

The fourth proportional to 1,212,307.47, 1,818,395.24 and 370,859.22 is: 556,268.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,307.47 : 1,818,395.24 = 370,859.22 : x
  2. Step 2: Convert to fraction form
    1,212,307.47/1,818,395.24 = 370,859.22/x
  3. Step 3: Cross multiply
    1,212,307.47x = 1,818,395.24 × 370,859.22
  4. Step 4: Simplify right side
    1,212,307.47x = 674,368,638,503.82
  5. Step 5: Solve for x
    x = 674,368,638,503.82/1,212,307.47
  6. Step 6: Final answer
    x = 556,268.65

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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.