Home / 1,088,974.72-1,502,563.80-636,178.24

Finding the Fourth Proportional to 1,088,974.72, 1,502,563.80 and 636,178.24

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Solution

The fourth proportional to 1,088,974.72, 1,502,563.80 and 636,178.24 is: 877,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,974.72 : 1,502,563.80 = 636,178.24 : x
  2. Step 2: Convert to fraction form
    1,088,974.72/1,502,563.80 = 636,178.24/x
  3. Step 3: Cross multiply
    1,088,974.72x = 1,502,563.80 × 636,178.24
  4. Step 4: Simplify right side
    1,088,974.72x = 955,898,393,771.71
  5. Step 5: Solve for x
    x = 955,898,393,771.71/1,088,974.72
  6. Step 6: Final answer
    x = 877,796.68

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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.