Home / 1,000,815.76-1,379,752.80-633,109.96

Finding the Fourth Proportional to 1,000,815.76, 1,379,752.80 and 633,109.96

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Solution

The fourth proportional to 1,000,815.76, 1,379,752.80 and 633,109.96 is: 872,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,815.76 : 1,379,752.80 = 633,109.96 : x
  2. Step 2: Convert to fraction form
    1,000,815.76/1,379,752.80 = 633,109.96/x
  3. Step 3: Cross multiply
    1,000,815.76x = 1,379,752.80 × 633,109.96
  4. Step 4: Simplify right side
    1,000,815.76x = 873,535,240,017.89
  5. Step 5: Solve for x
    x = 873,535,240,017.89/1,000,815.76
  6. Step 6: Final answer
    x = 872,823.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.