Home / 1,347,280.82-1,859,231.12-766,502.47

Finding the Fourth Proportional to 1,347,280.82, 1,859,231.12 and 766,502.47

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Solution

The fourth proportional to 1,347,280.82, 1,859,231.12 and 766,502.47 is: 1,057,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,280.82 : 1,859,231.12 = 766,502.47 : x
  2. Step 2: Convert to fraction form
    1,347,280.82/1,859,231.12 = 766,502.47/x
  3. Step 3: Cross multiply
    1,347,280.82x = 1,859,231.12 × 766,502.47
  4. Step 4: Simplify right side
    1,347,280.82x = 1,425,105,243,354.88
  5. Step 5: Solve for x
    x = 1,425,105,243,354.88/1,347,280.82
  6. Step 6: Final answer
    x = 1,057,764.07

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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.