Home / 1,264,309.20-1,896,465.72-516,355.20

Finding the Fourth Proportional to 1,264,309.20, 1,896,465.72 and 516,355.20

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Solution

The fourth proportional to 1,264,309.20, 1,896,465.72 and 516,355.20 is: 774,533.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,309.20 : 1,896,465.72 = 516,355.20 : x
  2. Step 2: Convert to fraction form
    1,264,309.20/1,896,465.72 = 516,355.20/x
  3. Step 3: Cross multiply
    1,264,309.20x = 1,896,465.72 × 516,355.20
  4. Step 4: Simplify right side
    1,264,309.20x = 979,249,936,143.74
  5. Step 5: Solve for x
    x = 979,249,936,143.74/1,264,309.20
  6. Step 6: Final answer
    x = 774,533.58

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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.