Home / 1,721,011.80-2,374,765.92-956,918.28

Finding the Fourth Proportional to 1,721,011.80, 2,374,765.92 and 956,918.28

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Solution

The fourth proportional to 1,721,011.80, 2,374,765.92 and 956,918.28 is: 1,320,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,011.80 : 2,374,765.92 = 956,918.28 : x
  2. Step 2: Convert to fraction form
    1,721,011.80/2,374,765.92 = 956,918.28/x
  3. Step 3: Cross multiply
    1,721,011.80x = 2,374,765.92 × 956,918.28
  4. Step 4: Simplify right side
    1,721,011.80x = 2,272,456,919,569.02
  5. Step 5: Solve for x
    x = 2,272,456,919,569.02/1,721,011.80
  6. Step 6: Final answer
    x = 1,320,419.14

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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.