Home / 1,567,359.38-2,351,041.68-430,137.20

Finding the Fourth Proportional to 1,567,359.38, 2,351,041.68 and 430,137.20

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Solution

The fourth proportional to 1,567,359.38, 2,351,041.68 and 430,137.20 is: 645,206.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,567,359.38 : 2,351,041.68 = 430,137.20 : x
  2. Step 2: Convert to fraction form
    1,567,359.38/2,351,041.68 = 430,137.20/x
  3. Step 3: Cross multiply
    1,567,359.38x = 2,351,041.68 × 430,137.20
  4. Step 4: Simplify right side
    1,567,359.38x = 1,011,270,485,318.50
  5. Step 5: Solve for x
    x = 1,011,270,485,318.50/1,567,359.38
  6. Step 6: Final answer
    x = 645,206.52

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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.