Home / 1,418,698.80-2,128,048.20-576,817.20

Finding the Fourth Proportional to 1,418,698.80, 2,128,048.20 and 576,817.20

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Solution

The fourth proportional to 1,418,698.80, 2,128,048.20 and 576,817.20 is: 865,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,698.80 : 2,128,048.20 = 576,817.20 : x
  2. Step 2: Convert to fraction form
    1,418,698.80/2,128,048.20 = 576,817.20/x
  3. Step 3: Cross multiply
    1,418,698.80x = 2,128,048.20 × 576,817.20
  4. Step 4: Simplify right side
    1,418,698.80x = 1,227,494,804,189.04
  5. Step 5: Solve for x
    x = 1,227,494,804,189.04/1,418,698.80
  6. Step 6: Final answer
    x = 865,225.80

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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.