Home / 1,280,677.56-1,767,155.54-736,606.52

Finding the Fourth Proportional to 1,280,677.56, 1,767,155.54 and 736,606.52

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Solution

The fourth proportional to 1,280,677.56, 1,767,155.54 and 736,606.52 is: 1,016,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,677.56 : 1,767,155.54 = 736,606.52 : x
  2. Step 2: Convert to fraction form
    1,280,677.56/1,767,155.54 = 736,606.52/x
  3. Step 3: Cross multiply
    1,280,677.56x = 1,767,155.54 × 736,606.52
  4. Step 4: Simplify right side
    1,280,677.56x = 1,301,698,292,618.12
  5. Step 5: Solve for x
    x = 1,301,698,292,618.12/1,280,677.56
  6. Step 6: Final answer
    x = 1,016,413.76

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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.