Home / 1,653,528.39-2,479,652.88-642,517.26

Finding the Fourth Proportional to 1,653,528.39, 2,479,652.88 and 642,517.26

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Solution

The fourth proportional to 1,653,528.39, 2,479,652.88 and 642,517.26 is: 963,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,528.39 : 2,479,652.88 = 642,517.26 : x
  2. Step 2: Convert to fraction form
    1,653,528.39/2,479,652.88 = 642,517.26/x
  3. Step 3: Cross multiply
    1,653,528.39x = 2,479,652.88 × 642,517.26
  4. Step 4: Simplify right side
    1,653,528.39x = 1,593,219,774,208.71
  5. Step 5: Solve for x
    x = 1,593,219,774,208.71/1,653,528.39
  6. Step 6: Final answer
    x = 963,527.32

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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.