Home / 1,643,965-2,465,947.52-462,013

Finding the Fourth Proportional to 1,643,965, 2,465,947.52 and 462,013

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Solution

The fourth proportional to 1,643,965, 2,465,947.52 and 462,013 is: 693,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,965 : 2,465,947.52 = 462,013 : x
  2. Step 2: Convert to fraction form
    1,643,965/2,465,947.52 = 462,013/x
  3. Step 3: Cross multiply
    1,643,965x = 2,465,947.52 × 462,013
  4. Step 4: Simplify right side
    1,643,965x = 1,139,299,811,557.76
  5. Step 5: Solve for x
    x = 1,139,299,811,557.76/1,643,965
  6. Step 6: Final answer
    x = 693,019.51

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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.