Home / 1,124,188.49-1,686,304.61-413,850.89

Finding the Fourth Proportional to 1,124,188.49, 1,686,304.61 and 413,850.89

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Solution

The fourth proportional to 1,124,188.49, 1,686,304.61 and 413,850.89 is: 620,784.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,188.49 : 1,686,304.61 = 413,850.89 : x
  2. Step 2: Convert to fraction form
    1,124,188.49/1,686,304.61 = 413,850.89/x
  3. Step 3: Cross multiply
    1,124,188.49x = 1,686,304.61 × 413,850.89
  4. Step 4: Simplify right side
    1,124,188.49x = 697,878,663,659.60
  5. Step 5: Solve for x
    x = 697,878,663,659.60/1,124,188.49
  6. Step 6: Final answer
    x = 620,784.39

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Double scale
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1.5x scale

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.