Home / 1,360,688.40-2,041,810.20-519,843.60

Finding the Fourth Proportional to 1,360,688.40, 2,041,810.20 and 519,843.60

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Solution

The fourth proportional to 1,360,688.40, 2,041,810.20 and 519,843.60 is: 780,062.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,688.40 : 2,041,810.20 = 519,843.60 : x
  2. Step 2: Convert to fraction form
    1,360,688.40/2,041,810.20 = 519,843.60/x
  3. Step 3: Cross multiply
    1,360,688.40x = 2,041,810.20 × 519,843.60
  4. Step 4: Simplify right side
    1,360,688.40x = 1,061,421,964,884.72
  5. Step 5: Solve for x
    x = 1,061,421,964,884.72/1,360,688.40
  6. Step 6: Final answer
    x = 780,062.48

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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.