Home / 1,258,925.69-1,888,946.70-659,744.39

Finding the Fourth Proportional to 1,258,925.69, 1,888,946.70 and 659,744.39

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Solution

The fourth proportional to 1,258,925.69, 1,888,946.70 and 659,744.39 is: 989,909.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,925.69 : 1,888,946.70 = 659,744.39 : x
  2. Step 2: Convert to fraction form
    1,258,925.69/1,888,946.70 = 659,744.39/x
  3. Step 3: Cross multiply
    1,258,925.69x = 1,888,946.70 × 659,744.39
  4. Step 4: Simplify right side
    1,258,925.69x = 1,246,221,990,582.34
  5. Step 5: Solve for x
    x = 1,246,221,990,582.34/1,258,925.69
  6. Step 6: Final answer
    x = 989,909.09

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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.