Home / 1,345,812.60-1,857,262.86-772,967.64

Finding the Fourth Proportional to 1,345,812.60, 1,857,262.86 and 772,967.64

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Solution

The fourth proportional to 1,345,812.60, 1,857,262.86 and 772,967.64 is: 1,066,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,812.60 : 1,857,262.86 = 772,967.64 : x
  2. Step 2: Convert to fraction form
    1,345,812.60/1,857,262.86 = 772,967.64/x
  3. Step 3: Cross multiply
    1,345,812.60x = 1,857,262.86 × 772,967.64
  4. Step 4: Simplify right side
    1,345,812.60x = 1,435,604,089,753.85
  5. Step 5: Solve for x
    x = 1,435,604,089,753.85/1,345,812.60
  6. Step 6: Final answer
    x = 1,066,719.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.