Home / 1,320,347.76-1,822,089.24-716,735.76

Finding the Fourth Proportional to 1,320,347.76, 1,822,089.24 and 716,735.76

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Solution

The fourth proportional to 1,320,347.76, 1,822,089.24 and 716,735.76 is: 989,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,347.76 : 1,822,089.24 = 716,735.76 : x
  2. Step 2: Convert to fraction form
    1,320,347.76/1,822,089.24 = 716,735.76/x
  3. Step 3: Cross multiply
    1,320,347.76x = 1,822,089.24 × 716,735.76
  4. Step 4: Simplify right side
    1,320,347.76x = 1,305,956,516,219.22
  5. Step 5: Solve for x
    x = 1,305,956,516,219.22/1,320,347.76
  6. Step 6: Final answer
    x = 989,100.41

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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.