Home / 1,096,077.60-1,642,366.80-917,618.40

Finding the Fourth Proportional to 1,096,077.60, 1,642,366.80 and 917,618.40

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Solution

The fourth proportional to 1,096,077.60, 1,642,366.80 and 917,618.40 is: 1,374,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,077.60 : 1,642,366.80 = 917,618.40 : x
  2. Step 2: Convert to fraction form
    1,096,077.60/1,642,366.80 = 917,618.40/x
  3. Step 3: Cross multiply
    1,096,077.60x = 1,642,366.80 × 917,618.40
  4. Step 4: Simplify right side
    1,096,077.60x = 1,507,065,995,229.12
  5. Step 5: Solve for x
    x = 1,507,065,995,229.12/1,096,077.60
  6. Step 6: Final answer
    x = 1,374,962.86

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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.