Home / 945,792.40-1,418,688.60-889,805.20

Finding the Fourth Proportional to 945,792.40, 1,418,688.60 and 889,805.20

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Solution

The fourth proportional to 945,792.40, 1,418,688.60 and 889,805.20 is: 1,334,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,792.40 : 1,418,688.60 = 889,805.20 : x
  2. Step 2: Convert to fraction form
    945,792.40/1,418,688.60 = 889,805.20/x
  3. Step 3: Cross multiply
    945,792.40x = 1,418,688.60 × 889,805.20
  4. Step 4: Simplify right side
    945,792.40x = 1,262,356,493,460.72
  5. Step 5: Solve for x
    x = 1,262,356,493,460.72/945,792.40
  6. Step 6: Final answer
    x = 1,334,707.80

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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.