Home / 1,245,703.46-1,719,070.84-672,743.62

Finding the Fourth Proportional to 1,245,703.46, 1,719,070.84 and 672,743.62

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Solution

The fourth proportional to 1,245,703.46, 1,719,070.84 and 672,743.62 is: 928,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,703.46 : 1,719,070.84 = 672,743.62 : x
  2. Step 2: Convert to fraction form
    1,245,703.46/1,719,070.84 = 672,743.62/x
  3. Step 3: Cross multiply
    1,245,703.46x = 1,719,070.84 × 672,743.62
  4. Step 4: Simplify right side
    1,245,703.46x = 1,156,493,939,938.04
  5. Step 5: Solve for x
    x = 1,156,493,939,938.04/1,245,703.46
  6. Step 6: Final answer
    x = 928,386.23

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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.