Home / 1,249,288.80-1,724,016.39-676,328.82

Finding the Fourth Proportional to 1,249,288.80, 1,724,016.39 and 676,328.82

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Solution

The fourth proportional to 1,249,288.80, 1,724,016.39 and 676,328.82 is: 933,332.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,288.80 : 1,724,016.39 = 676,328.82 : x
  2. Step 2: Convert to fraction form
    1,249,288.80/1,724,016.39 = 676,328.82/x
  3. Step 3: Cross multiply
    1,249,288.80x = 1,724,016.39 × 676,328.82
  4. Step 4: Simplify right side
    1,249,288.80x = 1,166,001,970,709.36
  5. Step 5: Solve for x
    x = 1,166,001,970,709.36/1,249,288.80
  6. Step 6: Final answer
    x = 933,332.61

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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.