Home / 1,071,390.30-1,597,619.60-1,061,773.98

Finding the Fourth Proportional to 1,071,390.30, 1,597,619.60 and 1,061,773.98

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Solution

The fourth proportional to 1,071,390.30, 1,597,619.60 and 1,061,773.98 is: 1,583,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,390.30 : 1,597,619.60 = 1,061,773.98 : x
  2. Step 2: Convert to fraction form
    1,071,390.30/1,597,619.60 = 1,061,773.98/x
  3. Step 3: Cross multiply
    1,071,390.30x = 1,597,619.60 × 1,061,773.98
  4. Step 4: Simplify right side
    1,071,390.30x = 1,696,310,915,909.14
  5. Step 5: Solve for x
    x = 1,696,310,915,909.14/1,071,390.30
  6. Step 6: Final answer
    x = 1,583,280.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.