Home / 1,212,670.90-1,818,696.08-359,543.06

Finding the Fourth Proportional to 1,212,670.90, 1,818,696.08 and 359,543.06

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Solution

The fourth proportional to 1,212,670.90, 1,818,696.08 and 359,543.06 is: 539,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,670.90 : 1,818,696.08 = 359,543.06 : x
  2. Step 2: Convert to fraction form
    1,212,670.90/1,818,696.08 = 359,543.06/x
  3. Step 3: Cross multiply
    1,212,670.90x = 1,818,696.08 × 359,543.06
  4. Step 4: Simplify right side
    1,212,670.90x = 653,899,553,813.21
  5. Step 5: Solve for x
    x = 653,899,553,813.21/1,212,670.90
  6. Step 6: Final answer
    x = 539,222.60

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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.