Home / 1,289,644.58-1,779,568.22-745,698.06

Finding the Fourth Proportional to 1,289,644.58, 1,779,568.22 and 745,698.06

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Solution

The fourth proportional to 1,289,644.58, 1,779,568.22 and 745,698.06 is: 1,028,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,644.58 : 1,779,568.22 = 745,698.06 : x
  2. Step 2: Convert to fraction form
    1,289,644.58/1,779,568.22 = 745,698.06/x
  3. Step 3: Cross multiply
    1,289,644.58x = 1,779,568.22 × 745,698.06
  4. Step 4: Simplify right side
    1,289,644.58x = 1,327,020,569,291.65
  5. Step 5: Solve for x
    x = 1,327,020,569,291.65/1,289,644.58
  6. Step 6: Final answer
    x = 1,028,981.62

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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.