Home / 1,245,389.88-1,717,279.02-842,282.04

Finding the Fourth Proportional to 1,245,389.88, 1,717,279.02 and 842,282.04

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Solution

The fourth proportional to 1,245,389.88, 1,717,279.02 and 842,282.04 is: 1,161,430.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,389.88 : 1,717,279.02 = 842,282.04 : x
  2. Step 2: Convert to fraction form
    1,245,389.88/1,717,279.02 = 842,282.04/x
  3. Step 3: Cross multiply
    1,245,389.88x = 1,717,279.02 × 842,282.04
  4. Step 4: Simplify right side
    1,245,389.88x = 1,446,433,276,214.80
  5. Step 5: Solve for x
    x = 1,446,433,276,214.80/1,245,389.88
  6. Step 6: Final answer
    x = 1,161,430.09

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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.