Home / 1,681,454.31-2,320,462.98-917,549.79

Finding the Fourth Proportional to 1,681,454.31, 2,320,462.98 and 917,549.79

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Solution

The fourth proportional to 1,681,454.31, 2,320,462.98 and 917,549.79 is: 1,266,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,454.31 : 2,320,462.98 = 917,549.79 : x
  2. Step 2: Convert to fraction form
    1,681,454.31/2,320,462.98 = 917,549.79/x
  3. Step 3: Cross multiply
    1,681,454.31x = 2,320,462.98 × 917,549.79
  4. Step 4: Simplify right side
    1,681,454.31x = 2,129,140,320,001.77
  5. Step 5: Solve for x
    x = 2,129,140,320,001.77/1,681,454.31
  6. Step 6: Final answer
    x = 1,266,249.29

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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.