Home / 1,805,045-2,490,989.74-989,242.04

Finding the Fourth Proportional to 1,805,045, 2,490,989.74 and 989,242.04

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Solution

The fourth proportional to 1,805,045, 2,490,989.74 and 989,242.04 is: 1,365,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,045 : 2,490,989.74 = 989,242.04 : x
  2. Step 2: Convert to fraction form
    1,805,045/2,490,989.74 = 989,242.04/x
  3. Step 3: Cross multiply
    1,805,045x = 2,490,989.74 × 989,242.04
  4. Step 4: Simplify right side
    1,805,045x = 2,464,191,772,016.67
  5. Step 5: Solve for x
    x = 2,464,191,772,016.67/1,805,045
  6. Step 6: Final answer
    x = 1,365,169.16

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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.