Home / 1,455,812.10-2,182,077.90-698,016.60

Finding the Fourth Proportional to 1,455,812.10, 2,182,077.90 and 698,016.60

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Solution

The fourth proportional to 1,455,812.10, 2,182,077.90 and 698,016.60 is: 1,046,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,812.10 : 2,182,077.90 = 698,016.60 : x
  2. Step 2: Convert to fraction form
    1,455,812.10/2,182,077.90 = 698,016.60/x
  3. Step 3: Cross multiply
    1,455,812.10x = 2,182,077.90 × 698,016.60
  4. Step 4: Simplify right side
    1,455,812.10x = 1,523,126,596,693.14
  5. Step 5: Solve for x
    x = 1,523,126,596,693.14/1,455,812.10
  6. Step 6: Final answer
    x = 1,046,238.45

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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.