Home / 945,802.40-1,418,703.60-889,815.20

Finding the Fourth Proportional to 945,802.40, 1,418,703.60 and 889,815.20

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Solution

The fourth proportional to 945,802.40, 1,418,703.60 and 889,815.20 is: 1,334,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,802.40 : 1,418,703.60 = 889,815.20 : x
  2. Step 2: Convert to fraction form
    945,802.40/1,418,703.60 = 889,815.20/x
  3. Step 3: Cross multiply
    945,802.40x = 1,418,703.60 × 889,815.20
  4. Step 4: Simplify right side
    945,802.40x = 1,262,384,027,574.72
  5. Step 5: Solve for x
    x = 1,262,384,027,574.72/945,802.40
  6. Step 6: Final answer
    x = 1,334,722.80

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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.