Home / 1,435,564.80-2,150,690.40-836,812.80

Finding the Fourth Proportional to 1,435,564.80, 2,150,690.40 and 836,812.80

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Solution

The fourth proportional to 1,435,564.80, 2,150,690.40 and 836,812.80 is: 1,253,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,564.80 : 2,150,690.40 = 836,812.80 : x
  2. Step 2: Convert to fraction form
    1,435,564.80/2,150,690.40 = 836,812.80/x
  3. Step 3: Cross multiply
    1,435,564.80x = 2,150,690.40 × 836,812.80
  4. Step 4: Simplify right side
    1,435,564.80x = 1,799,725,255,557.12
  5. Step 5: Solve for x
    x = 1,799,725,255,557.12/1,435,564.80
  6. Step 6: Final answer
    x = 1,253,670.51

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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.