Home / 1,723,907.70-2,377,852.65-1,078,206.90

Finding the Fourth Proportional to 1,723,907.70, 2,377,852.65 and 1,078,206.90

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Solution

The fourth proportional to 1,723,907.70, 2,377,852.65 and 1,078,206.90 is: 1,487,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,907.70 : 2,377,852.65 = 1,078,206.90 : x
  2. Step 2: Convert to fraction form
    1,723,907.70/2,377,852.65 = 1,078,206.90/x
  3. Step 3: Cross multiply
    1,723,907.70x = 2,377,852.65 × 1,078,206.90
  4. Step 4: Simplify right side
    1,723,907.70x = 2,563,817,134,413.28
  5. Step 5: Solve for x
    x = 2,563,817,134,413.28/1,723,907.70
  6. Step 6: Final answer
    x = 1,487,212.53

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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.