Home / 1,370,010.62-2,053,441.28-920,188.46

Finding the Fourth Proportional to 1,370,010.62, 2,053,441.28 and 920,188.46

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Solution

The fourth proportional to 1,370,010.62, 2,053,441.28 and 920,188.46 is: 1,379,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,010.62 : 2,053,441.28 = 920,188.46 : x
  2. Step 2: Convert to fraction form
    1,370,010.62/2,053,441.28 = 920,188.46/x
  3. Step 3: Cross multiply
    1,370,010.62x = 2,053,441.28 × 920,188.46
  4. Step 4: Simplify right side
    1,370,010.62x = 1,889,552,969,143.63
  5. Step 5: Solve for x
    x = 1,889,552,969,143.63/1,370,010.62
  6. Step 6: Final answer
    x = 1,379,225.05

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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.