Home / 1,087,915.08-1,632,127.88-1,069,840.54

Finding the Fourth Proportional to 1,087,915.08, 1,632,127.88 and 1,069,840.54

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Solution

The fourth proportional to 1,087,915.08, 1,632,127.88 and 1,069,840.54 is: 1,605,011.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,915.08 : 1,632,127.88 = 1,069,840.54 : x
  2. Step 2: Convert to fraction form
    1,087,915.08/1,632,127.88 = 1,069,840.54/x
  3. Step 3: Cross multiply
    1,087,915.08x = 1,632,127.88 × 1,069,840.54
  4. Step 4: Simplify right side
    1,087,915.08x = 1,746,116,577,203.02
  5. Step 5: Solve for x
    x = 1,746,116,577,203.02/1,087,915.08
  6. Step 6: Final answer
    x = 1,605,011.83

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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.