Home / 1,338,515.80-2,007,773.70-1,276,307.80

Finding the Fourth Proportional to 1,338,515.80, 2,007,773.70 and 1,276,307.80

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Solution

The fourth proportional to 1,338,515.80, 2,007,773.70 and 1,276,307.80 is: 1,914,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,515.80 : 2,007,773.70 = 1,276,307.80 : x
  2. Step 2: Convert to fraction form
    1,338,515.80/2,007,773.70 = 1,276,307.80/x
  3. Step 3: Cross multiply
    1,338,515.80x = 2,007,773.70 × 1,276,307.80
  4. Step 4: Simplify right side
    1,338,515.80x = 2,562,537,233,944.86
  5. Step 5: Solve for x
    x = 2,562,537,233,944.86/1,338,515.80
  6. Step 6: Final answer
    x = 1,914,461.70

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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.