Home / 1,108,539.23-1,529,798.19-672,830.51

Finding the Fourth Proportional to 1,108,539.23, 1,529,798.19 and 672,830.51

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Solution

The fourth proportional to 1,108,539.23, 1,529,798.19 and 672,830.51 is: 928,514.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,539.23 : 1,529,798.19 = 672,830.51 : x
  2. Step 2: Convert to fraction form
    1,108,539.23/1,529,798.19 = 672,830.51/x
  3. Step 3: Cross multiply
    1,108,539.23x = 1,529,798.19 × 672,830.51
  4. Step 4: Simplify right side
    1,108,539.23x = 1,029,294,896,374.78
  5. Step 5: Solve for x
    x = 1,029,294,896,374.78/1,108,539.23
  6. Step 6: Final answer
    x = 928,514.63

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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.