Home / 1,283,338.20-1,924,342.84-684,138.40

Finding the Fourth Proportional to 1,283,338.20, 1,924,342.84 and 684,138.40

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Solution

The fourth proportional to 1,283,338.20, 1,924,342.84 and 684,138.40 is: 1,025,853.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,338.20 : 1,924,342.84 = 684,138.40 : x
  2. Step 2: Convert to fraction form
    1,283,338.20/1,924,342.84 = 684,138.40/x
  3. Step 3: Cross multiply
    1,283,338.20x = 1,924,342.84 × 684,138.40
  4. Step 4: Simplify right side
    1,283,338.20x = 1,316,516,831,609.06
  5. Step 5: Solve for x
    x = 1,316,516,831,609.06/1,283,338.20
  6. Step 6: Final answer
    x = 1,025,853.38

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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.