Home / 1,159,412.48-1,599,311.36-729,011.20

Finding the Fourth Proportional to 1,159,412.48, 1,599,311.36 and 729,011.20

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Solution

The fourth proportional to 1,159,412.48, 1,599,311.36 and 729,011.20 is: 1,005,609.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,412.48 : 1,599,311.36 = 729,011.20 : x
  2. Step 2: Convert to fraction form
    1,159,412.48/1,599,311.36 = 729,011.20/x
  3. Step 3: Cross multiply
    1,159,412.48x = 1,599,311.36 × 729,011.20
  4. Step 4: Simplify right side
    1,159,412.48x = 1,165,915,893,727.23
  5. Step 5: Solve for x
    x = 1,165,915,893,727.23/1,159,412.48
  6. Step 6: Final answer
    x = 1,005,609.23

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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.