Home / 1,428,554.80-2,141,320.20-529,418.80

Finding the Fourth Proportional to 1,428,554.80, 2,141,320.20 and 529,418.80

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Solution

The fourth proportional to 1,428,554.80, 2,141,320.20 and 529,418.80 is: 793,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,554.80 : 2,141,320.20 = 529,418.80 : x
  2. Step 2: Convert to fraction form
    1,428,554.80/2,141,320.20 = 529,418.80/x
  3. Step 3: Cross multiply
    1,428,554.80x = 2,141,320.20 × 529,418.80
  4. Step 4: Simplify right side
    1,428,554.80x = 1,133,655,170,699.76
  5. Step 5: Solve for x
    x = 1,133,655,170,699.76/1,428,554.80
  6. Step 6: Final answer
    x = 793,567.86

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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.