Home / 1,026,449.20-1,539,673.80-278,495.20

Finding the Fourth Proportional to 1,026,449.20, 1,539,673.80 and 278,495.20

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Solution

The fourth proportional to 1,026,449.20, 1,539,673.80 and 278,495.20 is: 417,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,449.20 : 1,539,673.80 = 278,495.20 : x
  2. Step 2: Convert to fraction form
    1,026,449.20/1,539,673.80 = 278,495.20/x
  3. Step 3: Cross multiply
    1,026,449.20x = 1,539,673.80 × 278,495.20
  4. Step 4: Simplify right side
    1,026,449.20x = 428,791,762,865.76
  5. Step 5: Solve for x
    x = 428,791,762,865.76/1,026,449.20
  6. Step 6: Final answer
    x = 417,742.80

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1.5x scale

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.