Home / 1,719,746.52-2,579,331.76-521,382.28

Finding the Fourth Proportional to 1,719,746.52, 2,579,331.76 and 521,382.28

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Solution

The fourth proportional to 1,719,746.52, 2,579,331.76 and 521,382.28 is: 781,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,746.52 : 2,579,331.76 = 521,382.28 : x
  2. Step 2: Convert to fraction form
    1,719,746.52/2,579,331.76 = 521,382.28/x
  3. Step 3: Cross multiply
    1,719,746.52x = 2,579,331.76 × 521,382.28
  4. Step 4: Simplify right side
    1,719,746.52x = 1,344,817,873,905.21
  5. Step 5: Solve for x
    x = 1,344,817,873,905.21/1,719,746.52
  6. Step 6: Final answer
    x = 781,986.10

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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.