Home / 1,201,349.20-1,657,938.90-692,042.80

Finding the Fourth Proportional to 1,201,349.20, 1,657,938.90 and 692,042.80

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Solution

The fourth proportional to 1,201,349.20, 1,657,938.90 and 692,042.80 is: 955,063.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,349.20 : 1,657,938.90 = 692,042.80 : x
  2. Step 2: Convert to fraction form
    1,201,349.20/1,657,938.90 = 692,042.80/x
  3. Step 3: Cross multiply
    1,201,349.20x = 1,657,938.90 × 692,042.80
  4. Step 4: Simplify right side
    1,201,349.20x = 1,147,364,678,584.92
  5. Step 5: Solve for x
    x = 1,147,364,678,584.92/1,201,349.20
  6. Step 6: Final answer
    x = 955,063.42

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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.