Home / 1,038,112.10-1,556,976.15-290,003.30

Finding the Fourth Proportional to 1,038,112.10, 1,556,976.15 and 290,003.30

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Solution

The fourth proportional to 1,038,112.10, 1,556,976.15 and 290,003.30 is: 434,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,112.10 : 1,556,976.15 = 290,003.30 : x
  2. Step 2: Convert to fraction form
    1,038,112.10/1,556,976.15 = 290,003.30/x
  3. Step 3: Cross multiply
    1,038,112.10x = 1,556,976.15 × 290,003.30
  4. Step 4: Simplify right side
    1,038,112.10x = 451,528,221,521.30
  5. Step 5: Solve for x
    x = 451,528,221,521.30/1,038,112.10
  6. Step 6: Final answer
    x = 434,951.31

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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.