Home / 1,145,672.80-1,717,342.80-672,114.40

Finding the Fourth Proportional to 1,145,672.80, 1,717,342.80 and 672,114.40

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Solution

The fourth proportional to 1,145,672.80, 1,717,342.80 and 672,114.40 is: 1,007,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,672.80 : 1,717,342.80 = 672,114.40 : x
  2. Step 2: Convert to fraction form
    1,145,672.80/1,717,342.80 = 672,114.40/x
  3. Step 3: Cross multiply
    1,145,672.80x = 1,717,342.80 × 672,114.40
  4. Step 4: Simplify right side
    1,145,672.80x = 1,154,250,825,616.32
  5. Step 5: Solve for x
    x = 1,154,250,825,616.32/1,145,672.80
  6. Step 6: Final answer
    x = 1,007,487.33

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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.