Home / 1,371,333.48-1,892,387.92-751,128.80

Finding the Fourth Proportional to 1,371,333.48, 1,892,387.92 and 751,128.80

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Solution

The fourth proportional to 1,371,333.48, 1,892,387.92 and 751,128.80 is: 1,036,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,333.48 : 1,892,387.92 = 751,128.80 : x
  2. Step 2: Convert to fraction form
    1,371,333.48/1,892,387.92 = 751,128.80/x
  3. Step 3: Cross multiply
    1,371,333.48x = 1,892,387.92 × 751,128.80
  4. Step 4: Simplify right side
    1,371,333.48x = 1,421,427,067,484.10
  5. Step 5: Solve for x
    x = 1,421,427,067,484.10/1,371,333.48
  6. Step 6: Final answer
    x = 1,036,529.11

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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.