Home / 1,249,739.87-1,724,152.75-726,363.52

Finding the Fourth Proportional to 1,249,739.87, 1,724,152.75 and 726,363.52

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Solution

The fourth proportional to 1,249,739.87, 1,724,152.75 and 726,363.52 is: 1,002,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,739.87 : 1,724,152.75 = 726,363.52 : x
  2. Step 2: Convert to fraction form
    1,249,739.87/1,724,152.75 = 726,363.52/x
  3. Step 3: Cross multiply
    1,249,739.87x = 1,724,152.75 × 726,363.52
  4. Step 4: Simplify right side
    1,249,739.87x = 1,252,361,660,507.68
  5. Step 5: Solve for x
    x = 1,252,361,660,507.68/1,249,739.87
  6. Step 6: Final answer
    x = 1,002,097.87

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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.