Home / 1,913,257.04-2,870,238.72-791,413.52

Finding the Fourth Proportional to 1,913,257.04, 2,870,238.72 and 791,413.52

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Solution

The fourth proportional to 1,913,257.04, 2,870,238.72 and 791,413.52 is: 1,187,266.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,257.04 : 2,870,238.72 = 791,413.52 : x
  2. Step 2: Convert to fraction form
    1,913,257.04/2,870,238.72 = 791,413.52/x
  3. Step 3: Cross multiply
    1,913,257.04x = 2,870,238.72 × 791,413.52
  4. Step 4: Simplify right side
    1,913,257.04x = 2,271,545,728,635.49
  5. Step 5: Solve for x
    x = 2,271,545,728,635.49/1,913,257.04
  6. Step 6: Final answer
    x = 1,187,266.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.