Home / 1,055,761.40-1,583,627.70-345,812.60

Finding the Fourth Proportional to 1,055,761.40, 1,583,627.70 and 345,812.60

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Solution

The fourth proportional to 1,055,761.40, 1,583,627.70 and 345,812.60 is: 518,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,761.40 : 1,583,627.70 = 345,812.60 : x
  2. Step 2: Convert to fraction form
    1,055,761.40/1,583,627.70 = 345,812.60/x
  3. Step 3: Cross multiply
    1,055,761.40x = 1,583,627.70 × 345,812.60
  4. Step 4: Simplify right side
    1,055,761.40x = 547,638,412,369.02
  5. Step 5: Solve for x
    x = 547,638,412,369.02/1,055,761.40
  6. Step 6: Final answer
    x = 518,714.18

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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.