Home / 1,643,517.60-2,465,276.40-521,674.40

Finding the Fourth Proportional to 1,643,517.60, 2,465,276.40 and 521,674.40

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Solution

The fourth proportional to 1,643,517.60, 2,465,276.40 and 521,674.40 is: 782,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,517.60 : 2,465,276.40 = 521,674.40 : x
  2. Step 2: Convert to fraction form
    1,643,517.60/2,465,276.40 = 521,674.40/x
  3. Step 3: Cross multiply
    1,643,517.60x = 2,465,276.40 × 521,674.40
  4. Step 4: Simplify right side
    1,643,517.60x = 1,286,071,586,804.16
  5. Step 5: Solve for x
    x = 1,286,071,586,804.16/1,643,517.60
  6. Step 6: Final answer
    x = 782,511.60

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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.