Home / 1,396,856.40-2,095,284.60-971,703.60

Finding the Fourth Proportional to 1,396,856.40, 2,095,284.60 and 971,703.60

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Solution

The fourth proportional to 1,396,856.40, 2,095,284.60 and 971,703.60 is: 1,457,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,856.40 : 2,095,284.60 = 971,703.60 : x
  2. Step 2: Convert to fraction form
    1,396,856.40/2,095,284.60 = 971,703.60/x
  3. Step 3: Cross multiply
    1,396,856.40x = 2,095,284.60 × 971,703.60
  4. Step 4: Simplify right side
    1,396,856.40x = 2,035,995,588,844.56
  5. Step 5: Solve for x
    x = 2,035,995,588,844.56/1,396,856.40
  6. Step 6: Final answer
    x = 1,457,555.40

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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.