Home / 1,235,021.80-1,852,532.70-486,970.60

Finding the Fourth Proportional to 1,235,021.80, 1,852,532.70 and 486,970.60

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Solution

The fourth proportional to 1,235,021.80, 1,852,532.70 and 486,970.60 is: 730,455.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,021.80 : 1,852,532.70 = 486,970.60 : x
  2. Step 2: Convert to fraction form
    1,235,021.80/1,852,532.70 = 486,970.60/x
  3. Step 3: Cross multiply
    1,235,021.80x = 1,852,532.70 × 486,970.60
  4. Step 4: Simplify right side
    1,235,021.80x = 902,128,960,438.62
  5. Step 5: Solve for x
    x = 902,128,960,438.62/1,235,021.80
  6. Step 6: Final answer
    x = 730,455.90

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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.