Home / 1,038,179.40-1,554,316.65-800,015.10

Finding the Fourth Proportional to 1,038,179.40, 1,554,316.65 and 800,015.10

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Solution

The fourth proportional to 1,038,179.40, 1,554,316.65 and 800,015.10 is: 1,197,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,179.40 : 1,554,316.65 = 800,015.10 : x
  2. Step 2: Convert to fraction form
    1,038,179.40/1,554,316.65 = 800,015.10/x
  3. Step 3: Cross multiply
    1,038,179.40x = 1,554,316.65 × 800,015.10
  4. Step 4: Simplify right side
    1,038,179.40x = 1,243,476,790,181.41
  5. Step 5: Solve for x
    x = 1,243,476,790,181.41/1,038,179.40
  6. Step 6: Final answer
    x = 1,197,747.51

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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.