Home / 1,680,409.98-2,318,305.59-1,034,710.38

Finding the Fourth Proportional to 1,680,409.98, 2,318,305.59 and 1,034,710.38

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Solution

The fourth proportional to 1,680,409.98, 2,318,305.59 and 1,034,710.38 is: 1,427,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,409.98 : 2,318,305.59 = 1,034,710.38 : x
  2. Step 2: Convert to fraction form
    1,680,409.98/2,318,305.59 = 1,034,710.38/x
  3. Step 3: Cross multiply
    1,680,409.98x = 2,318,305.59 × 1,034,710.38
  4. Step 4: Simplify right side
    1,680,409.98x = 2,398,774,857,985.02
  5. Step 5: Solve for x
    x = 2,398,774,857,985.02/1,680,409.98
  6. Step 6: Final answer
    x = 1,427,493.82

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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.