Home / 1,308,521.64-1,805,492.70-764,552.32

Finding the Fourth Proportional to 1,308,521.64, 1,805,492.70 and 764,552.32

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Solution

The fourth proportional to 1,308,521.64, 1,805,492.70 and 764,552.32 is: 1,054,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,521.64 : 1,805,492.70 = 764,552.32 : x
  2. Step 2: Convert to fraction form
    1,308,521.64/1,805,492.70 = 764,552.32/x
  3. Step 3: Cross multiply
    1,308,521.64x = 1,805,492.70 × 764,552.32
  4. Step 4: Simplify right side
    1,308,521.64x = 1,380,393,632,528.06
  5. Step 5: Solve for x
    x = 1,380,393,632,528.06/1,308,521.64
  6. Step 6: Final answer
    x = 1,054,926.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.