Home / 1,145,109.20-1,717,663.80-827,848.40

Finding the Fourth Proportional to 1,145,109.20, 1,717,663.80 and 827,848.40

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Solution

The fourth proportional to 1,145,109.20, 1,717,663.80 and 827,848.40 is: 1,241,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,109.20 : 1,717,663.80 = 827,848.40 : x
  2. Step 2: Convert to fraction form
    1,145,109.20/1,717,663.80 = 827,848.40/x
  3. Step 3: Cross multiply
    1,145,109.20x = 1,717,663.80 × 827,848.40
  4. Step 4: Simplify right side
    1,145,109.20x = 1,421,965,228,567.92
  5. Step 5: Solve for x
    x = 1,421,965,228,567.92/1,145,109.20
  6. Step 6: Final answer
    x = 1,241,772.60

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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.