Home / 1,052,021.80-1,576,218.30-489,903.40

Finding the Fourth Proportional to 1,052,021.80, 1,576,218.30 and 489,903.40

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Solution

The fourth proportional to 1,052,021.80, 1,576,218.30 and 489,903.40 is: 734,010.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,021.80 : 1,576,218.30 = 489,903.40 : x
  2. Step 2: Convert to fraction form
    1,052,021.80/1,576,218.30 = 489,903.40/x
  3. Step 3: Cross multiply
    1,052,021.80x = 1,576,218.30 × 489,903.40
  4. Step 4: Simplify right side
    1,052,021.80x = 772,194,704,312.22
  5. Step 5: Solve for x
    x = 772,194,704,312.22/1,052,021.80
  6. Step 6: Final answer
    x = 734,010.17

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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.