Home / 1,888,620.90-2,833,276.95-766,803.30

Finding the Fourth Proportional to 1,888,620.90, 2,833,276.95 and 766,803.30

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Solution

The fourth proportional to 1,888,620.90, 2,833,276.95 and 766,803.30 is: 1,150,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888,620.90 : 2,833,276.95 = 766,803.30 : x
  2. Step 2: Convert to fraction form
    1,888,620.90/2,833,276.95 = 766,803.30/x
  3. Step 3: Cross multiply
    1,888,620.90x = 2,833,276.95 × 766,803.30
  4. Step 4: Simplify right side
    1,888,620.90x = 2,172,566,115,073.94
  5. Step 5: Solve for x
    x = 2,172,566,115,073.94/1,888,620.90
  6. Step 6: Final answer
    x = 1,150,345.27

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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.