Home / 1,079,631.48-1,618,946.10-630,485.40

Finding the Fourth Proportional to 1,079,631.48, 1,618,946.10 and 630,485.40

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Solution

The fourth proportional to 1,079,631.48, 1,618,946.10 and 630,485.40 is: 945,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,631.48 : 1,618,946.10 = 630,485.40 : x
  2. Step 2: Convert to fraction form
    1,079,631.48/1,618,946.10 = 630,485.40/x
  3. Step 3: Cross multiply
    1,079,631.48x = 1,618,946.10 × 630,485.40
  4. Step 4: Simplify right side
    1,079,631.48x = 1,020,721,879,436.94
  5. Step 5: Solve for x
    x = 1,020,721,879,436.94/1,079,631.48
  6. Step 6: Final answer
    x = 945,435.45

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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.