Home / 999,547.08-1,379,375.10-540,661.44

Finding the Fourth Proportional to 999,547.08, 1,379,375.10 and 540,661.44

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Solution

The fourth proportional to 999,547.08, 1,379,375.10 and 540,661.44 is: 746,112.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,547.08 : 1,379,375.10 = 540,661.44 : x
  2. Step 2: Convert to fraction form
    999,547.08/1,379,375.10 = 540,661.44/x
  3. Step 3: Cross multiply
    999,547.08x = 1,379,375.10 × 540,661.44
  4. Step 4: Simplify right side
    999,547.08x = 745,774,927,866.14
  5. Step 5: Solve for x
    x = 745,774,927,866.14/999,547.08
  6. Step 6: Final answer
    x = 746,112.86

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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.