Home / 1,379,789.84-2,069,685.48-620,744.96

Finding the Fourth Proportional to 1,379,789.84, 2,069,685.48 and 620,744.96

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Solution

The fourth proportional to 1,379,789.84, 2,069,685.48 and 620,744.96 is: 931,117.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,789.84 : 2,069,685.48 = 620,744.96 : x
  2. Step 2: Convert to fraction form
    1,379,789.84/2,069,685.48 = 620,744.96/x
  3. Step 3: Cross multiply
    1,379,789.84x = 2,069,685.48 × 620,744.96
  4. Step 4: Simplify right side
    1,379,789.84x = 1,284,746,830,495.18
  5. Step 5: Solve for x
    x = 1,284,746,830,495.18/1,379,789.84
  6. Step 6: Final answer
    x = 931,117.76

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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.