Home / 1,619,262.52-2,429,734.36-660,421.58

Finding the Fourth Proportional to 1,619,262.52, 2,429,734.36 and 660,421.58

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Solution

The fourth proportional to 1,619,262.52, 2,429,734.36 and 660,421.58 is: 990,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,262.52 : 2,429,734.36 = 660,421.58 : x
  2. Step 2: Convert to fraction form
    1,619,262.52/2,429,734.36 = 660,421.58/x
  3. Step 3: Cross multiply
    1,619,262.52x = 2,429,734.36 × 660,421.58
  4. Step 4: Simplify right side
    1,619,262.52x = 1,604,649,005,011.49
  5. Step 5: Solve for x
    x = 1,604,649,005,011.49/1,619,262.52
  6. Step 6: Final answer
    x = 990,975.20

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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.