Home / 1,018,626.69-1,526,990.28-344,236.38

Finding the Fourth Proportional to 1,018,626.69, 1,526,990.28 and 344,236.38

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Solution

The fourth proportional to 1,018,626.69, 1,526,990.28 and 344,236.38 is: 516,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,626.69 : 1,526,990.28 = 344,236.38 : x
  2. Step 2: Convert to fraction form
    1,018,626.69/1,526,990.28 = 344,236.38/x
  3. Step 3: Cross multiply
    1,018,626.69x = 1,526,990.28 × 344,236.38
  4. Step 4: Simplify right side
    1,018,626.69x = 525,645,609,790.94
  5. Step 5: Solve for x
    x = 525,645,609,790.94/1,018,626.69
  6. Step 6: Final answer
    x = 516,033.61

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Double scale
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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.