Home / 1,210,610.40-1,670,518.73-745,390.40

Finding the Fourth Proportional to 1,210,610.40, 1,670,518.73 and 745,390.40

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Solution

The fourth proportional to 1,210,610.40, 1,670,518.73 and 745,390.40 is: 1,028,562.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,610.40 : 1,670,518.73 = 745,390.40 : x
  2. Step 2: Convert to fraction form
    1,210,610.40/1,670,518.73 = 745,390.40/x
  3. Step 3: Cross multiply
    1,210,610.40x = 1,670,518.73 × 745,390.40
  4. Step 4: Simplify right side
    1,210,610.40x = 1,245,188,612,282.65
  5. Step 5: Solve for x
    x = 1,245,188,612,282.65/1,210,610.40
  6. Step 6: Final answer
    x = 1,028,562.63

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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.