Home / 1,503,865.80-2,255,931.77-424,387.89

Finding the Fourth Proportional to 1,503,865.80, 2,255,931.77 and 424,387.89

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Solution

The fourth proportional to 1,503,865.80, 2,255,931.77 and 424,387.89 is: 636,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,503,865.80 : 2,255,931.77 = 424,387.89 : x
  2. Step 2: Convert to fraction form
    1,503,865.80/2,255,931.77 = 424,387.89/x
  3. Step 3: Cross multiply
    1,503,865.80x = 2,255,931.77 × 424,387.89
  4. Step 4: Simplify right side
    1,503,865.80x = 957,390,121,732.33
  5. Step 5: Solve for x
    x = 957,390,121,732.33/1,503,865.80
  6. Step 6: Final answer
    x = 636,619.39

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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.