Home / 1,337,043.35-1,845,145.01-820,538.88

Finding the Fourth Proportional to 1,337,043.35, 1,845,145.01 and 820,538.88

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Solution

The fourth proportional to 1,337,043.35, 1,845,145.01 and 820,538.88 is: 1,132,359.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,043.35 : 1,845,145.01 = 820,538.88 : x
  2. Step 2: Convert to fraction form
    1,337,043.35/1,845,145.01 = 820,538.88/x
  3. Step 3: Cross multiply
    1,337,043.35x = 1,845,145.01 × 820,538.88
  4. Step 4: Simplify right side
    1,337,043.35x = 1,514,013,221,994.34
  5. Step 5: Solve for x
    x = 1,514,013,221,994.34/1,337,043.35
  6. Step 6: Final answer
    x = 1,132,359.12

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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.