Home / 1,092,210.20-1,638,315.30-613,913.30

Finding the Fourth Proportional to 1,092,210.20, 1,638,315.30 and 613,913.30

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Solution

The fourth proportional to 1,092,210.20, 1,638,315.30 and 613,913.30 is: 920,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,210.20 : 1,638,315.30 = 613,913.30 : x
  2. Step 2: Convert to fraction form
    1,092,210.20/1,638,315.30 = 613,913.30/x
  3. Step 3: Cross multiply
    1,092,210.20x = 1,638,315.30 × 613,913.30
  4. Step 4: Simplify right side
    1,092,210.20x = 1,005,783,552,263.49
  5. Step 5: Solve for x
    x = 1,005,783,552,263.49/1,092,210.20
  6. Step 6: Final answer
    x = 920,869.95

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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.