Home / 1,091,042.50-1,636,622.07-343,146.82

Finding the Fourth Proportional to 1,091,042.50, 1,636,622.07 and 343,146.82

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Solution

The fourth proportional to 1,091,042.50, 1,636,622.07 and 343,146.82 is: 514,738.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,042.50 : 1,636,622.07 = 343,146.82 : x
  2. Step 2: Convert to fraction form
    1,091,042.50/1,636,622.07 = 343,146.82/x
  3. Step 3: Cross multiply
    1,091,042.50x = 1,636,622.07 × 343,146.82
  4. Step 4: Simplify right side
    1,091,042.50x = 561,601,658,862.32
  5. Step 5: Solve for x
    x = 561,601,658,862.32/1,091,042.50
  6. Step 6: Final answer
    x = 514,738.57

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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.