Home / 1,340,323.15-1,849,687.23-767,547.85

Finding the Fourth Proportional to 1,340,323.15, 1,849,687.23 and 767,547.85

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Solution

The fourth proportional to 1,340,323.15, 1,849,687.23 and 767,547.85 is: 1,059,239.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,323.15 : 1,849,687.23 = 767,547.85 : x
  2. Step 2: Convert to fraction form
    1,340,323.15/1,849,687.23 = 767,547.85/x
  3. Step 3: Cross multiply
    1,340,323.15x = 1,849,687.23 × 767,547.85
  4. Step 4: Simplify right side
    1,340,323.15x = 1,419,723,456,558.96
  5. Step 5: Solve for x
    x = 1,419,723,456,558.96/1,340,323.15
  6. Step 6: Final answer
    x = 1,059,239.67

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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.