Home / 1,149,148.32-1,723,145.52-669,531.36

Finding the Fourth Proportional to 1,149,148.32, 1,723,145.52 and 669,531.36

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Solution

The fourth proportional to 1,149,148.32, 1,723,145.52 and 669,531.36 is: 1,003,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,148.32 : 1,723,145.52 = 669,531.36 : x
  2. Step 2: Convert to fraction form
    1,149,148.32/1,723,145.52 = 669,531.36/x
  3. Step 3: Cross multiply
    1,149,148.32x = 1,723,145.52 × 669,531.36
  4. Step 4: Simplify right side
    1,149,148.32x = 1,153,699,963,483.51
  5. Step 5: Solve for x
    x = 1,153,699,963,483.51/1,149,148.32
  6. Step 6: Final answer
    x = 1,003,960.88

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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.