Home / 1,298,526.94-1,791,976.18-725,591.26

Finding the Fourth Proportional to 1,298,526.94, 1,791,976.18 and 725,591.26

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Solution

The fourth proportional to 1,298,526.94, 1,791,976.18 and 725,591.26 is: 1,001,320.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,526.94 : 1,791,976.18 = 725,591.26 : x
  2. Step 2: Convert to fraction form
    1,298,526.94/1,791,976.18 = 725,591.26/x
  3. Step 3: Cross multiply
    1,298,526.94x = 1,791,976.18 × 725,591.26
  4. Step 4: Simplify right side
    1,298,526.94x = 1,300,242,245,376.31
  5. Step 5: Solve for x
    x = 1,300,242,245,376.31/1,298,526.94
  6. Step 6: Final answer
    x = 1,001,320.97

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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.