Home / 1,317,430.65-1,974,800.06-747,608.26

Finding the Fourth Proportional to 1,317,430.65, 1,974,800.06 and 747,608.26

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Solution

The fourth proportional to 1,317,430.65, 1,974,800.06 and 747,608.26 is: 1,120,648.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,430.65 : 1,974,800.06 = 747,608.26 : x
  2. Step 2: Convert to fraction form
    1,317,430.65/1,974,800.06 = 747,608.26/x
  3. Step 3: Cross multiply
    1,317,430.65x = 1,974,800.06 × 747,608.26
  4. Step 4: Simplify right side
    1,317,430.65x = 1,476,376,830,032.90
  5. Step 5: Solve for x
    x = 1,476,376,830,032.90/1,317,430.65
  6. Step 6: Final answer
    x = 1,120,648.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.