Home / 1,079,632.48-1,618,947.60-630,486.40

Finding the Fourth Proportional to 1,079,632.48, 1,618,947.60 and 630,486.40

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Solution

The fourth proportional to 1,079,632.48, 1,618,947.60 and 630,486.40 is: 945,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,632.48 : 1,618,947.60 = 630,486.40 : x
  2. Step 2: Convert to fraction form
    1,079,632.48/1,618,947.60 = 630,486.40/x
  3. Step 3: Cross multiply
    1,079,632.48x = 1,618,947.60 × 630,486.40
  4. Step 4: Simplify right side
    1,079,632.48x = 1,020,724,444,112.64
  5. Step 5: Solve for x
    x = 1,020,724,444,112.64/1,079,632.48
  6. Step 6: Final answer
    x = 945,436.95

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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.