Home / 1,298,526.44-1,791,975.49-725,590.76

Finding the Fourth Proportional to 1,298,526.44, 1,791,975.49 and 725,590.76

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Solution

The fourth proportional to 1,298,526.44, 1,791,975.49 and 725,590.76 is: 1,001,320.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,526.44 : 1,791,975.49 = 725,590.76 : x
  2. Step 2: Convert to fraction form
    1,298,526.44/1,791,975.49 = 725,590.76/x
  3. Step 3: Cross multiply
    1,298,526.44x = 1,791,975.49 × 725,590.76
  4. Step 4: Simplify right side
    1,298,526.44x = 1,300,240,846,916.62
  5. Step 5: Solve for x
    x = 1,300,240,846,916.62/1,298,526.44
  6. Step 6: Final answer
    x = 1,001,320.27

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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.