Home / 1,339,012.84-1,847,066.34-802,157.80

Finding the Fourth Proportional to 1,339,012.84, 1,847,066.34 and 802,157.80

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Solution

The fourth proportional to 1,339,012.84, 1,847,066.34 and 802,157.80 is: 1,106,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,012.84 : 1,847,066.34 = 802,157.80 : x
  2. Step 2: Convert to fraction form
    1,339,012.84/1,847,066.34 = 802,157.80/x
  3. Step 3: Cross multiply
    1,339,012.84x = 1,847,066.34 × 802,157.80
  4. Step 4: Simplify right side
    1,339,012.84x = 1,481,638,671,748.45
  5. Step 5: Solve for x
    x = 1,481,638,671,748.45/1,339,012.84
  6. Step 6: Final answer
    x = 1,106,515.66

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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.