Home / 1,211,861.40-1,817,792.10-501,653.40

Finding the Fourth Proportional to 1,211,861.40, 1,817,792.10 and 501,653.40

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Solution

The fourth proportional to 1,211,861.40, 1,817,792.10 and 501,653.40 is: 752,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,861.40 : 1,817,792.10 = 501,653.40 : x
  2. Step 2: Convert to fraction form
    1,211,861.40/1,817,792.10 = 501,653.40/x
  3. Step 3: Cross multiply
    1,211,861.40x = 1,817,792.10 × 501,653.40
  4. Step 4: Simplify right side
    1,211,861.40x = 911,901,587,458.14
  5. Step 5: Solve for x
    x = 911,901,587,458.14/1,211,861.40
  6. Step 6: Final answer
    x = 752,480.10

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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.