Home / 945,803.40-1,418,705.10-889,816.20

Finding the Fourth Proportional to 945,803.40, 1,418,705.10 and 889,816.20

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Solution

The fourth proportional to 945,803.40, 1,418,705.10 and 889,816.20 is: 1,334,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,803.40 : 1,418,705.10 = 889,816.20 : x
  2. Step 2: Convert to fraction form
    945,803.40/1,418,705.10 = 889,816.20/x
  3. Step 3: Cross multiply
    945,803.40x = 1,418,705.10 × 889,816.20
  4. Step 4: Simplify right side
    945,803.40x = 1,262,386,781,002.62
  5. Step 5: Solve for x
    x = 1,262,386,781,002.62/945,803.40
  6. Step 6: Final answer
    x = 1,334,724.30

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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.