Home / 1,392,699-2,085,808.50-1,354,387.80

Finding the Fourth Proportional to 1,392,699, 2,085,808.50 and 1,354,387.80

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Solution

The fourth proportional to 1,392,699, 2,085,808.50 and 1,354,387.80 is: 2,028,430.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,699 : 2,085,808.50 = 1,354,387.80 : x
  2. Step 2: Convert to fraction form
    1,392,699/2,085,808.50 = 1,354,387.80/x
  3. Step 3: Cross multiply
    1,392,699x = 2,085,808.50 × 1,354,387.80
  4. Step 4: Simplify right side
    1,392,699x = 2,824,993,585,536.30
  5. Step 5: Solve for x
    x = 2,824,993,585,536.30/1,392,699
  6. Step 6: Final answer
    x = 2,028,430.83

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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.