Home / 1,345,813.60-1,857,264.24-772,968.64

Finding the Fourth Proportional to 1,345,813.60, 1,857,264.24 and 772,968.64

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Solution

The fourth proportional to 1,345,813.60, 1,857,264.24 and 772,968.64 is: 1,066,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,813.60 : 1,857,264.24 = 772,968.64 : x
  2. Step 2: Convert to fraction form
    1,345,813.60/1,857,264.24 = 772,968.64/x
  3. Step 3: Cross multiply
    1,345,813.60x = 1,857,264.24 × 772,968.64
  4. Step 4: Simplify right side
    1,345,813.60x = 1,435,607,013,713.43
  5. Step 5: Solve for x
    x = 1,435,607,013,713.43/1,345,813.60
  6. Step 6: Final answer
    x = 1,066,720.54

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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.