Home / 1,335,006.83-1,842,271.45-783,713.68

Finding the Fourth Proportional to 1,335,006.83, 1,842,271.45 and 783,713.68

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Solution

The fourth proportional to 1,335,006.83, 1,842,271.45 and 783,713.68 is: 1,081,502.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,006.83 : 1,842,271.45 = 783,713.68 : x
  2. Step 2: Convert to fraction form
    1,335,006.83/1,842,271.45 = 783,713.68/x
  3. Step 3: Cross multiply
    1,335,006.83x = 1,842,271.45 × 783,713.68
  4. Step 4: Simplify right side
    1,335,006.83x = 1,443,813,337,638.44
  5. Step 5: Solve for x
    x = 1,443,813,337,638.44/1,335,006.83
  6. Step 6: Final answer
    x = 1,081,502.59

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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.