Home / 1,316,021.72-1,816,044.96-735,129.62

Finding the Fourth Proportional to 1,316,021.72, 1,816,044.96 and 735,129.62

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Solution

The fourth proportional to 1,316,021.72, 1,816,044.96 and 735,129.62 is: 1,014,442.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,021.72 : 1,816,044.96 = 735,129.62 : x
  2. Step 2: Convert to fraction form
    1,316,021.72/1,816,044.96 = 735,129.62/x
  3. Step 3: Cross multiply
    1,316,021.72x = 1,816,044.96 × 735,129.62
  4. Step 4: Simplify right side
    1,316,021.72x = 1,335,028,441,347.72
  5. Step 5: Solve for x
    x = 1,335,028,441,347.72/1,316,021.72
  6. Step 6: Final answer
    x = 1,014,442.56

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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.