Home / 1,429,208.79-1,972,322.47-775,839.98

Finding the Fourth Proportional to 1,429,208.79, 1,972,322.47 and 775,839.98

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Solution

The fourth proportional to 1,429,208.79, 1,972,322.47 and 775,839.98 is: 1,070,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,208.79 : 1,972,322.47 = 775,839.98 : x
  2. Step 2: Convert to fraction form
    1,429,208.79/1,972,322.47 = 775,839.98/x
  3. Step 3: Cross multiply
    1,429,208.79x = 1,972,322.47 × 775,839.98
  4. Step 4: Simplify right side
    1,429,208.79x = 1,530,206,618,052.89
  5. Step 5: Solve for x
    x = 1,530,206,618,052.89/1,429,208.79
  6. Step 6: Final answer
    x = 1,070,666.95

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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.