Home / 1,166,829.25-1,750,243.89-280,365.25

Finding the Fourth Proportional to 1,166,829.25, 1,750,243.89 and 280,365.25

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Solution

The fourth proportional to 1,166,829.25, 1,750,243.89 and 280,365.25 is: 420,547.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,829.25 : 1,750,243.89 = 280,365.25 : x
  2. Step 2: Convert to fraction form
    1,166,829.25/1,750,243.89 = 280,365.25/x
  3. Step 3: Cross multiply
    1,166,829.25x = 1,750,243.89 × 280,365.25
  4. Step 4: Simplify right side
    1,166,829.25x = 490,707,565,780.82
  5. Step 5: Solve for x
    x = 490,707,565,780.82/1,166,829.25
  6. Step 6: Final answer
    x = 420,547.88

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1.5x scale

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.