Home / 1,515,576.38-2,274,332.51-716,905.04

Finding the Fourth Proportional to 1,515,576.38, 2,274,332.51 and 716,905.04

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Solution

The fourth proportional to 1,515,576.38, 2,274,332.51 and 716,905.04 is: 1,075,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,576.38 : 2,274,332.51 = 716,905.04 : x
  2. Step 2: Convert to fraction form
    1,515,576.38/2,274,332.51 = 716,905.04/x
  3. Step 3: Cross multiply
    1,515,576.38x = 2,274,332.51 × 716,905.04
  4. Step 4: Simplify right side
    1,515,576.38x = 1,630,480,429,475.45
  5. Step 5: Solve for x
    x = 1,630,480,429,475.45/1,515,576.38
  6. Step 6: Final answer
    x = 1,075,815.42

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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.