Home / 1,821,387.90-2,732,214.45-699,456.90

Finding the Fourth Proportional to 1,821,387.90, 2,732,214.45 and 699,456.90

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Solution

The fourth proportional to 1,821,387.90, 2,732,214.45 and 699,456.90 is: 1,049,236.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,387.90 : 2,732,214.45 = 699,456.90 : x
  2. Step 2: Convert to fraction form
    1,821,387.90/2,732,214.45 = 699,456.90/x
  3. Step 3: Cross multiply
    1,821,387.90x = 2,732,214.45 × 699,456.90
  4. Step 4: Simplify right side
    1,821,387.90x = 1,911,066,249,332.21
  5. Step 5: Solve for x
    x = 1,911,066,249,332.21/1,821,387.90
  6. Step 6: Final answer
    x = 1,049,236.27

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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.