Home / 1,091,569.90-1,637,354.85-381,669.70

Finding the Fourth Proportional to 1,091,569.90, 1,637,354.85 and 381,669.70

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Solution

The fourth proportional to 1,091,569.90, 1,637,354.85 and 381,669.70 is: 572,504.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,569.90 : 1,637,354.85 = 381,669.70 : x
  2. Step 2: Convert to fraction form
    1,091,569.90/1,637,354.85 = 381,669.70/x
  3. Step 3: Cross multiply
    1,091,569.90x = 1,637,354.85 × 381,669.70
  4. Step 4: Simplify right side
    1,091,569.90x = 624,928,734,393.05
  5. Step 5: Solve for x
    x = 624,928,734,393.05/1,091,569.90
  6. Step 6: Final answer
    x = 572,504.55

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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.