Home / 1,724,417.90-2,379,697.35-999,685.73

Finding the Fourth Proportional to 1,724,417.90, 2,379,697.35 and 999,685.73

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Solution

The fourth proportional to 1,724,417.90, 2,379,697.35 and 999,685.73 is: 1,379,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,417.90 : 2,379,697.35 = 999,685.73 : x
  2. Step 2: Convert to fraction form
    1,724,417.90/2,379,697.35 = 999,685.73/x
  3. Step 3: Cross multiply
    1,724,417.90x = 2,379,697.35 × 999,685.73
  4. Step 4: Simplify right side
    1,724,417.90x = 2,378,949,470,615.33
  5. Step 5: Solve for x
    x = 2,378,949,470,615.33/1,724,417.90
  6. Step 6: Final answer
    x = 1,379,566.68

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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.