Home / 1,992,925-2,750,294.82-1,087,565.32

Finding the Fourth Proportional to 1,992,925, 2,750,294.82 and 1,087,565.32

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Solution

The fourth proportional to 1,992,925, 2,750,294.82 and 1,087,565.32 is: 1,500,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,925 : 2,750,294.82 = 1,087,565.32 : x
  2. Step 2: Convert to fraction form
    1,992,925/2,750,294.82 = 1,087,565.32/x
  3. Step 3: Cross multiply
    1,992,925x = 2,750,294.82 × 1,087,565.32
  4. Step 4: Simplify right side
    1,992,925x = 2,991,125,266,007.64
  5. Step 5: Solve for x
    x = 2,991,125,266,007.64/1,992,925
  6. Step 6: Final answer
    x = 1,500,871.97

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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.