Home / 1,096,078.60-1,642,368.30-917,619.40

Finding the Fourth Proportional to 1,096,078.60, 1,642,368.30 and 917,619.40

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Solution

The fourth proportional to 1,096,078.60, 1,642,368.30 and 917,619.40 is: 1,374,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,078.60 : 1,642,368.30 = 917,619.40 : x
  2. Step 2: Convert to fraction form
    1,096,078.60/1,642,368.30 = 917,619.40/x
  3. Step 3: Cross multiply
    1,096,078.60x = 1,642,368.30 × 917,619.40
  4. Step 4: Simplify right side
    1,096,078.60x = 1,507,069,014,025.02
  5. Step 5: Solve for x
    x = 1,507,069,014,025.02/1,096,078.60
  6. Step 6: Final answer
    x = 1,374,964.36

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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.