Home / 1,039,714.40-1,559,571.60-917,679.80

Finding the Fourth Proportional to 1,039,714.40, 1,559,571.60 and 917,679.80

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Solution

The fourth proportional to 1,039,714.40, 1,559,571.60 and 917,679.80 is: 1,376,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,714.40 : 1,559,571.60 = 917,679.80 : x
  2. Step 2: Convert to fraction form
    1,039,714.40/1,559,571.60 = 917,679.80/x
  3. Step 3: Cross multiply
    1,039,714.40x = 1,559,571.60 × 917,679.80
  4. Step 4: Simplify right side
    1,039,714.40x = 1,431,187,353,973.68
  5. Step 5: Solve for x
    x = 1,431,187,353,973.68/1,039,714.40
  6. Step 6: Final answer
    x = 1,376,519.70

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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.