Home / 1,065,659.02-1,470,096.77-774,819.90

Finding the Fourth Proportional to 1,065,659.02, 1,470,096.77 and 774,819.90

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Solution

The fourth proportional to 1,065,659.02, 1,470,096.77 and 774,819.90 is: 1,068,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,659.02 : 1,470,096.77 = 774,819.90 : x
  2. Step 2: Convert to fraction form
    1,065,659.02/1,470,096.77 = 774,819.90/x
  3. Step 3: Cross multiply
    1,065,659.02x = 1,470,096.77 × 774,819.90
  4. Step 4: Simplify right side
    1,065,659.02x = 1,139,060,228,447.62
  5. Step 5: Solve for x
    x = 1,139,060,228,447.62/1,065,659.02
  6. Step 6: Final answer
    x = 1,068,878.70

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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.