Home / 1,161,455.20-1,742,182.80-451,649.32

Finding the Fourth Proportional to 1,161,455.20, 1,742,182.80 and 451,649.32

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Solution

The fourth proportional to 1,161,455.20, 1,742,182.80 and 451,649.32 is: 677,473.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,455.20 : 1,742,182.80 = 451,649.32 : x
  2. Step 2: Convert to fraction form
    1,161,455.20/1,742,182.80 = 451,649.32/x
  3. Step 3: Cross multiply
    1,161,455.20x = 1,742,182.80 × 451,649.32
  4. Step 4: Simplify right side
    1,161,455.20x = 786,855,676,935.70
  5. Step 5: Solve for x
    x = 786,855,676,935.70/1,161,455.20
  6. Step 6: Final answer
    x = 677,473.98

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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.