Home / 1,245,116.10-1,867,904.55-403,695.30

Finding the Fourth Proportional to 1,245,116.10, 1,867,904.55 and 403,695.30

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Solution

The fourth proportional to 1,245,116.10, 1,867,904.55 and 403,695.30 is: 605,617.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,116.10 : 1,867,904.55 = 403,695.30 : x
  2. Step 2: Convert to fraction form
    1,245,116.10/1,867,904.55 = 403,695.30/x
  3. Step 3: Cross multiply
    1,245,116.10x = 1,867,904.55 × 403,695.30
  4. Step 4: Simplify right side
    1,245,116.10x = 754,064,287,683.62
  5. Step 5: Solve for x
    x = 754,064,287,683.62/1,245,116.10
  6. Step 6: Final answer
    x = 605,617.65

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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.