Home / 1,038,111.10-1,556,974.65-290,002.30

Finding the Fourth Proportional to 1,038,111.10, 1,556,974.65 and 290,002.30

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Solution

The fourth proportional to 1,038,111.10, 1,556,974.65 and 290,002.30 is: 434,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,111.10 : 1,556,974.65 = 290,002.30 : x
  2. Step 2: Convert to fraction form
    1,038,111.10/1,556,974.65 = 290,002.30/x
  3. Step 3: Cross multiply
    1,038,111.10x = 1,556,974.65 × 290,002.30
  4. Step 4: Simplify right side
    1,038,111.10x = 451,526,229,541.70
  5. Step 5: Solve for x
    x = 451,526,229,541.70/1,038,111.10
  6. Step 6: Final answer
    x = 434,949.81

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Double scale
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1.5x scale

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.