Home / 1,528,059.69-2,290,664.45-516,477.87

Finding the Fourth Proportional to 1,528,059.69, 2,290,664.45 and 516,477.87

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Solution

The fourth proportional to 1,528,059.69, 2,290,664.45 and 516,477.87 is: 774,235.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,059.69 : 2,290,664.45 = 516,477.87 : x
  2. Step 2: Convert to fraction form
    1,528,059.69/2,290,664.45 = 516,477.87/x
  3. Step 3: Cross multiply
    1,528,059.69x = 2,290,664.45 × 516,477.87
  4. Step 4: Simplify right side
    1,528,059.69x = 1,183,077,497,311.92
  5. Step 5: Solve for x
    x = 1,183,077,497,311.92/1,528,059.69
  6. Step 6: Final answer
    x = 774,235.13

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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.