Home / 1,513,288.40-2,269,932.60-766,792.40

Finding the Fourth Proportional to 1,513,288.40, 2,269,932.60 and 766,792.40

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Solution

The fourth proportional to 1,513,288.40, 2,269,932.60 and 766,792.40 is: 1,150,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,288.40 : 2,269,932.60 = 766,792.40 : x
  2. Step 2: Convert to fraction form
    1,513,288.40/2,269,932.60 = 766,792.40/x
  3. Step 3: Cross multiply
    1,513,288.40x = 2,269,932.60 × 766,792.40
  4. Step 4: Simplify right side
    1,513,288.40x = 1,740,567,066,192.24
  5. Step 5: Solve for x
    x = 1,740,567,066,192.24/1,513,288.40
  6. Step 6: Final answer
    x = 1,150,188.60

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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.