Home / 1,817,509.72-2,726,264.20-487,813.72

Finding the Fourth Proportional to 1,817,509.72, 2,726,264.20 and 487,813.72

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Solution

The fourth proportional to 1,817,509.72, 2,726,264.20 and 487,813.72 is: 731,720.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,509.72 : 2,726,264.20 = 487,813.72 : x
  2. Step 2: Convert to fraction form
    1,817,509.72/2,726,264.20 = 487,813.72/x
  3. Step 3: Cross multiply
    1,817,509.72x = 2,726,264.20 × 487,813.72
  4. Step 4: Simplify right side
    1,817,509.72x = 1,329,909,081,104.82
  5. Step 5: Solve for x
    x = 1,329,909,081,104.82/1,817,509.72
  6. Step 6: Final answer
    x = 731,720.48

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1.5x scale

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.