Home / 1,021,475.80-1,528,584.90-889,802.20

Finding the Fourth Proportional to 1,021,475.80, 1,528,584.90 and 889,802.20

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Solution

The fourth proportional to 1,021,475.80, 1,528,584.90 and 889,802.20 is: 1,331,542.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,475.80 : 1,528,584.90 = 889,802.20 : x
  2. Step 2: Convert to fraction form
    1,021,475.80/1,528,584.90 = 889,802.20/x
  3. Step 3: Cross multiply
    1,021,475.80x = 1,528,584.90 × 889,802.20
  4. Step 4: Simplify right side
    1,021,475.80x = 1,360,138,206,906.78
  5. Step 5: Solve for x
    x = 1,360,138,206,906.78/1,021,475.80
  6. Step 6: Final answer
    x = 1,331,542.27

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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.