Home / 1,245,666.30-1,719,019.52-672,706.47

Finding the Fourth Proportional to 1,245,666.30, 1,719,019.52 and 672,706.47

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Solution

The fourth proportional to 1,245,666.30, 1,719,019.52 and 672,706.47 is: 928,334.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,666.30 : 1,719,019.52 = 672,706.47 : x
  2. Step 2: Convert to fraction form
    1,245,666.30/1,719,019.52 = 672,706.47/x
  3. Step 3: Cross multiply
    1,245,666.30x = 1,719,019.52 × 672,706.47
  4. Step 4: Simplify right side
    1,245,666.30x = 1,156,395,549,796.76
  5. Step 5: Solve for x
    x = 1,156,395,549,796.76/1,245,666.30
  6. Step 6: Final answer
    x = 928,334.94

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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.