Home / 999,674.86-1,379,547.13-540,788.28

Finding the Fourth Proportional to 999,674.86, 1,379,547.13 and 540,788.28

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Solution

The fourth proportional to 999,674.86, 1,379,547.13 and 540,788.28 is: 746,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,674.86 : 1,379,547.13 = 540,788.28 : x
  2. Step 2: Convert to fraction form
    999,674.86/1,379,547.13 = 540,788.28/x
  3. Step 3: Cross multiply
    999,674.86x = 1,379,547.13 × 540,788.28
  4. Step 4: Simplify right side
    999,674.86x = 746,042,919,611.64
  5. Step 5: Solve for x
    x = 746,042,919,611.64/999,674.86
  6. Step 6: Final answer
    x = 746,285.57

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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.