Home / 1,260,041.20-1,889,843.10-460,911.40

Finding the Fourth Proportional to 1,260,041.20, 1,889,843.10 and 460,911.40

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Solution

The fourth proportional to 1,260,041.20, 1,889,843.10 and 460,911.40 is: 691,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,041.20 : 1,889,843.10 = 460,911.40 : x
  2. Step 2: Convert to fraction form
    1,260,041.20/1,889,843.10 = 460,911.40/x
  3. Step 3: Cross multiply
    1,260,041.20x = 1,889,843.10 × 460,911.40
  4. Step 4: Simplify right side
    1,260,041.20x = 871,050,229,001.34
  5. Step 5: Solve for x
    x = 871,050,229,001.34/1,260,041.20
  6. Step 6: Final answer
    x = 691,287.10

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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.