Home / 1,097,405.60-1,643,775.60-910,781.60

Finding the Fourth Proportional to 1,097,405.60, 1,643,775.60 and 910,781.60

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Solution

The fourth proportional to 1,097,405.60, 1,643,775.60 and 910,781.60 is: 1,364,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,405.60 : 1,643,775.60 = 910,781.60 : x
  2. Step 2: Convert to fraction form
    1,097,405.60/1,643,775.60 = 910,781.60/x
  3. Step 3: Cross multiply
    1,097,405.60x = 1,643,775.60 × 910,781.60
  4. Step 4: Simplify right side
    1,097,405.60x = 1,497,120,571,008.96
  5. Step 5: Solve for x
    x = 1,497,120,571,008.96/1,097,405.60
  6. Step 6: Final answer
    x = 1,364,236.31

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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.