Home / 1,260,043.20-1,889,846.10-460,913.40

Finding the Fourth Proportional to 1,260,043.20, 1,889,846.10 and 460,913.40

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Solution

The fourth proportional to 1,260,043.20, 1,889,846.10 and 460,913.40 is: 691,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,043.20 : 1,889,846.10 = 460,913.40 : x
  2. Step 2: Convert to fraction form
    1,260,043.20/1,889,846.10 = 460,913.40/x
  3. Step 3: Cross multiply
    1,260,043.20x = 1,889,846.10 × 460,913.40
  4. Step 4: Simplify right side
    1,260,043.20x = 871,055,391,427.74
  5. Step 5: Solve for x
    x = 871,055,391,427.74/1,260,043.20
  6. Step 6: Final answer
    x = 691,290.10

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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.