Home / 1,260,001.20-1,889,783.10-460,871.40

Finding the Fourth Proportional to 1,260,001.20, 1,889,783.10 and 460,871.40

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Solution

The fourth proportional to 1,260,001.20, 1,889,783.10 and 460,871.40 is: 691,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,001.20 : 1,889,783.10 = 460,871.40 : x
  2. Step 2: Convert to fraction form
    1,260,001.20/1,889,783.10 = 460,871.40/x
  3. Step 3: Cross multiply
    1,260,001.20x = 1,889,783.10 × 460,871.40
  4. Step 4: Simplify right side
    1,260,001.20x = 870,946,982,993.34
  5. Step 5: Solve for x
    x = 870,946,982,993.34/1,260,001.20
  6. Step 6: Final answer
    x = 691,227.11

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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.