Home / 1,299,074.69-1,948,612.98-352,445.33

Finding the Fourth Proportional to 1,299,074.69, 1,948,612.98 and 352,445.33

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Solution

The fourth proportional to 1,299,074.69, 1,948,612.98 and 352,445.33 is: 528,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,074.69 : 1,948,612.98 = 352,445.33 : x
  2. Step 2: Convert to fraction form
    1,299,074.69/1,948,612.98 = 352,445.33/x
  3. Step 3: Cross multiply
    1,299,074.69x = 1,948,612.98 × 352,445.33
  4. Step 4: Simplify right side
    1,299,074.69x = 686,779,544,778.38
  5. Step 5: Solve for x
    x = 686,779,544,778.38/1,299,074.69
  6. Step 6: Final answer
    x = 528,668.25

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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.