Home / 1,246,005.03-1,719,487.64-673,045.21

Finding the Fourth Proportional to 1,246,005.03, 1,719,487.64 and 673,045.21

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Solution

The fourth proportional to 1,246,005.03, 1,719,487.64 and 673,045.21 is: 928,802.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,005.03 : 1,719,487.64 = 673,045.21 : x
  2. Step 2: Convert to fraction form
    1,246,005.03/1,719,487.64 = 673,045.21/x
  3. Step 3: Cross multiply
    1,246,005.03x = 1,719,487.64 × 673,045.21
  4. Step 4: Simplify right side
    1,246,005.03x = 1,157,292,919,756.20
  5. Step 5: Solve for x
    x = 1,157,292,919,756.20/1,246,005.03
  6. Step 6: Final answer
    x = 928,802.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.