Home / 1,421,841.51-2,132,766.32-411,045.75

Finding the Fourth Proportional to 1,421,841.51, 2,132,766.32 and 411,045.75

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Solution

The fourth proportional to 1,421,841.51, 2,132,766.32 and 411,045.75 is: 616,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,841.51 : 2,132,766.32 = 411,045.75 : x
  2. Step 2: Convert to fraction form
    1,421,841.51/2,132,766.32 = 411,045.75/x
  3. Step 3: Cross multiply
    1,421,841.51x = 2,132,766.32 × 411,045.75
  4. Step 4: Simplify right side
    1,421,841.51x = 876,664,529,523.91
  5. Step 5: Solve for x
    x = 876,664,529,523.91/1,421,841.51
  6. Step 6: Final answer
    x = 616,569.80

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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.