Home / 1,345,472.64-1,856,796.48-772,614.72

Finding the Fourth Proportional to 1,345,472.64, 1,856,796.48 and 772,614.72

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Solution

The fourth proportional to 1,345,472.64, 1,856,796.48 and 772,614.72 is: 1,066,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,472.64 : 1,856,796.48 = 772,614.72 : x
  2. Step 2: Convert to fraction form
    1,345,472.64/1,856,796.48 = 772,614.72/x
  3. Step 3: Cross multiply
    1,345,472.64x = 1,856,796.48 × 772,614.72
  4. Step 4: Simplify right side
    1,345,472.64x = 1,434,588,292,492.19
  5. Step 5: Solve for x
    x = 1,434,588,292,492.19/1,345,472.64
  6. Step 6: Final answer
    x = 1,066,233.72

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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.