Home / 1,214,586.54-1,821,316.05-709,297.20

Finding the Fourth Proportional to 1,214,586.54, 1,821,316.05 and 709,297.20

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Solution

The fourth proportional to 1,214,586.54, 1,821,316.05 and 709,297.20 is: 1,063,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,586.54 : 1,821,316.05 = 709,297.20 : x
  2. Step 2: Convert to fraction form
    1,214,586.54/1,821,316.05 = 709,297.20/x
  3. Step 3: Cross multiply
    1,214,586.54x = 1,821,316.05 × 709,297.20
  4. Step 4: Simplify right side
    1,214,586.54x = 1,291,854,374,580.06
  5. Step 5: Solve for x
    x = 1,291,854,374,580.06/1,214,586.54
  6. Step 6: Final answer
    x = 1,063,616.57

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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.