Home / 1,463,031.51-2,018,986.47-818,462.49

Finding the Fourth Proportional to 1,463,031.51, 2,018,986.47 and 818,462.49

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Solution

The fourth proportional to 1,463,031.51, 2,018,986.47 and 818,462.49 is: 1,129,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463,031.51 : 2,018,986.47 = 818,462.49 : x
  2. Step 2: Convert to fraction form
    1,463,031.51/2,018,986.47 = 818,462.49/x
  3. Step 3: Cross multiply
    1,463,031.51x = 2,018,986.47 × 818,462.49
  4. Step 4: Simplify right side
    1,463,031.51x = 1,652,464,693,512.51
  5. Step 5: Solve for x
    x = 1,652,464,693,512.51/1,463,031.51
  6. Step 6: Final answer
    x = 1,129,479.91

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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.