Home / 1,185,303.60-1,635,792.84-669,144.87

Finding the Fourth Proportional to 1,185,303.60, 1,635,792.84 and 669,144.87

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Solution

The fourth proportional to 1,185,303.60, 1,635,792.84 and 669,144.87 is: 923,461.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,303.60 : 1,635,792.84 = 669,144.87 : x
  2. Step 2: Convert to fraction form
    1,185,303.60/1,635,792.84 = 669,144.87/x
  3. Step 3: Cross multiply
    1,185,303.60x = 1,635,792.84 × 669,144.87
  4. Step 4: Simplify right side
    1,185,303.60x = 1,094,582,387,268.73
  5. Step 5: Solve for x
    x = 1,094,582,387,268.73/1,185,303.60
  6. Step 6: Final answer
    x = 923,461.62

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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.