Home / 1,035,516.25-1,427,789.67-708,987.60

Finding the Fourth Proportional to 1,035,516.25, 1,427,789.67 and 708,987.60

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Solution

The fourth proportional to 1,035,516.25, 1,427,789.67 and 708,987.60 is: 977,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,516.25 : 1,427,789.67 = 708,987.60 : x
  2. Step 2: Convert to fraction form
    1,035,516.25/1,427,789.67 = 708,987.60/x
  3. Step 3: Cross multiply
    1,035,516.25x = 1,427,789.67 × 708,987.60
  4. Step 4: Simplify right side
    1,035,516.25x = 1,012,285,167,413.23
  5. Step 5: Solve for x
    x = 1,012,285,167,413.23/1,035,516.25
  6. Step 6: Final answer
    x = 977,565.70

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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.