Home / 1,283,300.10-1,924,170.66-642,859.02

Finding the Fourth Proportional to 1,283,300.10, 1,924,170.66 and 642,859.02

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Solution

The fourth proportional to 1,283,300.10, 1,924,170.66 and 642,859.02 is: 963,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,300.10 : 1,924,170.66 = 642,859.02 : x
  2. Step 2: Convert to fraction form
    1,283,300.10/1,924,170.66 = 642,859.02/x
  3. Step 3: Cross multiply
    1,283,300.10x = 1,924,170.66 × 642,859.02
  4. Step 4: Simplify right side
    1,283,300.10x = 1,236,970,464,800.35
  5. Step 5: Solve for x
    x = 1,236,970,464,800.35/1,283,300.10
  6. Step 6: Final answer
    x = 963,898.05

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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.