Home / 1,721,012.80-2,374,767.30-956,919.28

Finding the Fourth Proportional to 1,721,012.80, 2,374,767.30 and 956,919.28

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Solution

The fourth proportional to 1,721,012.80, 2,374,767.30 and 956,919.28 is: 1,320,420.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,012.80 : 2,374,767.30 = 956,919.28 : x
  2. Step 2: Convert to fraction form
    1,721,012.80/2,374,767.30 = 956,919.28/x
  3. Step 3: Cross multiply
    1,721,012.80x = 2,374,767.30 × 956,919.28
  4. Step 4: Simplify right side
    1,721,012.80x = 2,272,460,614,883.54
  5. Step 5: Solve for x
    x = 2,272,460,614,883.54/1,721,012.80
  6. Step 6: Final answer
    x = 1,320,420.52

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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.