Home / 1,249,739.37-1,724,645.79-705,881.61

Finding the Fourth Proportional to 1,249,739.37, 1,724,645.79 and 705,881.61

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Solution

The fourth proportional to 1,249,739.37, 1,724,645.79 and 705,881.61 is: 974,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,739.37 : 1,724,645.79 = 705,881.61 : x
  2. Step 2: Convert to fraction form
    1,249,739.37/1,724,645.79 = 705,881.61/x
  3. Step 3: Cross multiply
    1,249,739.37x = 1,724,645.79 × 705,881.61
  4. Step 4: Simplify right side
    1,249,739.37x = 1,217,395,746,924.92
  5. Step 5: Solve for x
    x = 1,217,395,746,924.92/1,249,739.37
  6. Step 6: Final answer
    x = 974,119.71

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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.