Home / 1,026,419.56-1,528,806.05-980,366.20

Finding the Fourth Proportional to 1,026,419.56, 1,528,806.05 and 980,366.20

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Solution

The fourth proportional to 1,026,419.56, 1,528,806.05 and 980,366.20 is: 1,460,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,419.56 : 1,528,806.05 = 980,366.20 : x
  2. Step 2: Convert to fraction form
    1,026,419.56/1,528,806.05 = 980,366.20/x
  3. Step 3: Cross multiply
    1,026,419.56x = 1,528,806.05 × 980,366.20
  4. Step 4: Simplify right side
    1,026,419.56x = 1,498,789,777,775.51
  5. Step 5: Solve for x
    x = 1,498,789,777,775.51/1,026,419.56
  6. Step 6: Final answer
    x = 1,460,211.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.