Home / 1,343,089.17-2,013,949.58-660,021.57

Finding the Fourth Proportional to 1,343,089.17, 2,013,949.58 and 660,021.57

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Solution

The fourth proportional to 1,343,089.17, 2,013,949.58 and 660,021.57 is: 989,696.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,089.17 : 2,013,949.58 = 660,021.57 : x
  2. Step 2: Convert to fraction form
    1,343,089.17/2,013,949.58 = 660,021.57/x
  3. Step 3: Cross multiply
    1,343,089.17x = 2,013,949.58 × 660,021.57
  4. Step 4: Simplify right side
    1,343,089.17x = 1,329,250,160,392.33
  5. Step 5: Solve for x
    x = 1,329,250,160,392.33/1,343,089.17
  6. Step 6: Final answer
    x = 989,696.13

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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.