Home / 1,586,028.02-2,188,720.80-860,875.88

Finding the Fourth Proportional to 1,586,028.02, 2,188,720.80 and 860,875.88

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Solution

The fourth proportional to 1,586,028.02, 2,188,720.80 and 860,875.88 is: 1,188,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,028.02 : 2,188,720.80 = 860,875.88 : x
  2. Step 2: Convert to fraction form
    1,586,028.02/2,188,720.80 = 860,875.88/x
  3. Step 3: Cross multiply
    1,586,028.02x = 2,188,720.80 × 860,875.88
  4. Step 4: Simplify right side
    1,586,028.02x = 1,884,216,944,774.30
  5. Step 5: Solve for x
    x = 1,884,216,944,774.30/1,586,028.02
  6. Step 6: Final answer
    x = 1,188,009.87

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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.