Home / 1,087,917.08-1,632,130.88-1,069,842.54

Finding the Fourth Proportional to 1,087,917.08, 1,632,130.88 and 1,069,842.54

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Solution

The fourth proportional to 1,087,917.08, 1,632,130.88 and 1,069,842.54 is: 1,605,014.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,917.08 : 1,632,130.88 = 1,069,842.54 : x
  2. Step 2: Convert to fraction form
    1,087,917.08/1,632,130.88 = 1,069,842.54/x
  3. Step 3: Cross multiply
    1,087,917.08x = 1,632,130.88 × 1,069,842.54
  4. Step 4: Simplify right side
    1,087,917.08x = 1,746,123,046,271.64
  5. Step 5: Solve for x
    x = 1,746,123,046,271.64/1,087,917.08
  6. Step 6: Final answer
    x = 1,605,014.83

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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.