Home / 1,765,116.30-2,435,783.58-980,133.54

Finding the Fourth Proportional to 1,765,116.30, 2,435,783.58 and 980,133.54

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Solution

The fourth proportional to 1,765,116.30, 2,435,783.58 and 980,133.54 is: 1,352,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,116.30 : 2,435,783.58 = 980,133.54 : x
  2. Step 2: Convert to fraction form
    1,765,116.30/2,435,783.58 = 980,133.54/x
  3. Step 3: Cross multiply
    1,765,116.30x = 2,435,783.58 × 980,133.54
  4. Step 4: Simplify right side
    1,765,116.30x = 2,387,393,182,939.27
  5. Step 5: Solve for x
    x = 2,387,393,182,939.27/1,765,116.30
  6. Step 6: Final answer
    x = 1,352,541.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.