Home / 1,512,591.03-2,268,878.40-872,479.89

Finding the Fourth Proportional to 1,512,591.03, 2,268,878.40 and 872,479.89

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Solution

The fourth proportional to 1,512,591.03, 2,268,878.40 and 872,479.89 is: 1,308,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,591.03 : 2,268,878.40 = 872,479.89 : x
  2. Step 2: Convert to fraction form
    1,512,591.03/2,268,878.40 = 872,479.89/x
  3. Step 3: Cross multiply
    1,512,591.03x = 2,268,878.40 × 872,479.89
  4. Step 4: Simplify right side
    1,512,591.03x = 1,979,550,776,855.38
  5. Step 5: Solve for x
    x = 1,979,550,776,855.38/1,512,591.03
  6. Step 6: Final answer
    x = 1,308,715.14

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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.