Home / 1,615,065.30-2,422,403.55-668,337.30

Finding the Fourth Proportional to 1,615,065.30, 2,422,403.55 and 668,337.30

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Solution

The fourth proportional to 1,615,065.30, 2,422,403.55 and 668,337.30 is: 1,002,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,065.30 : 2,422,403.55 = 668,337.30 : x
  2. Step 2: Convert to fraction form
    1,615,065.30/2,422,403.55 = 668,337.30/x
  3. Step 3: Cross multiply
    1,615,065.30x = 2,422,403.55 × 668,337.30
  4. Step 4: Simplify right side
    1,615,065.30x = 1,618,982,648,117.42
  5. Step 5: Solve for x
    x = 1,618,982,648,117.42/1,615,065.30
  6. Step 6: Final answer
    x = 1,002,425.50

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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.