Home / 1,026,052.80-1,536,746.40-648,139.20

Finding the Fourth Proportional to 1,026,052.80, 1,536,746.40 and 648,139.20

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Solution

The fourth proportional to 1,026,052.80, 1,536,746.40 and 648,139.20 is: 970,735.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,052.80 : 1,536,746.40 = 648,139.20 : x
  2. Step 2: Convert to fraction form
    1,026,052.80/1,536,746.40 = 648,139.20/x
  3. Step 3: Cross multiply
    1,026,052.80x = 1,536,746.40 × 648,139.20
  4. Step 4: Simplify right side
    1,026,052.80x = 996,025,582,298.88
  5. Step 5: Solve for x
    x = 996,025,582,298.88/1,026,052.80
  6. Step 6: Final answer
    x = 970,735.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.