Home / 1,779,951.69-2,668,851.05-699,170.45

Finding the Fourth Proportional to 1,779,951.69, 2,668,851.05 and 699,170.45

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Solution

The fourth proportional to 1,779,951.69, 2,668,851.05 and 699,170.45 is: 1,048,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,951.69 : 2,668,851.05 = 699,170.45 : x
  2. Step 2: Convert to fraction form
    1,779,951.69/2,668,851.05 = 699,170.45/x
  3. Step 3: Cross multiply
    1,779,951.69x = 2,668,851.05 × 699,170.45
  4. Step 4: Simplify right side
    1,779,951.69x = 1,865,981,772,771.36
  5. Step 5: Solve for x
    x = 1,865,981,772,771.36/1,779,951.69
  6. Step 6: Final answer
    x = 1,048,332.82

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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.