Home / 1,440,267-1,987,568.46-836,693.88

Finding the Fourth Proportional to 1,440,267, 1,987,568.46 and 836,693.88

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Solution

The fourth proportional to 1,440,267, 1,987,568.46 and 836,693.88 is: 1,154,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,267 : 1,987,568.46 = 836,693.88 : x
  2. Step 2: Convert to fraction form
    1,440,267/1,987,568.46 = 836,693.88/x
  3. Step 3: Cross multiply
    1,440,267x = 1,987,568.46 × 836,693.88
  4. Step 4: Simplify right side
    1,440,267x = 1,662,986,366,563.02
  5. Step 5: Solve for x
    x = 1,662,986,366,563.02/1,440,267
  6. Step 6: Final answer
    x = 1,154,637.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.