Home / 1,436,785.40-2,153,363.70-727,009.40

Finding the Fourth Proportional to 1,436,785.40, 2,153,363.70 and 727,009.40

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Solution

The fourth proportional to 1,436,785.40, 2,153,363.70 and 727,009.40 is: 1,089,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,785.40 : 2,153,363.70 = 727,009.40 : x
  2. Step 2: Convert to fraction form
    1,436,785.40/2,153,363.70 = 727,009.40/x
  3. Step 3: Cross multiply
    1,436,785.40x = 2,153,363.70 × 727,009.40
  4. Step 4: Simplify right side
    1,436,785.40x = 1,565,515,651,518.78
  5. Step 5: Solve for x
    x = 1,565,515,651,518.78/1,436,785.40
  6. Step 6: Final answer
    x = 1,089,596.02

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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.