Home / 1,066,910.23-1,472,871.50-824,645.31

Finding the Fourth Proportional to 1,066,910.23, 1,472,871.50 and 824,645.31

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Solution

The fourth proportional to 1,066,910.23, 1,472,871.50 and 824,645.31 is: 1,138,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,910.23 : 1,472,871.50 = 824,645.31 : x
  2. Step 2: Convert to fraction form
    1,066,910.23/1,472,871.50 = 824,645.31/x
  3. Step 3: Cross multiply
    1,066,910.23x = 1,472,871.50 × 824,645.31
  4. Step 4: Simplify right side
    1,066,910.23x = 1,214,596,574,707.67
  5. Step 5: Solve for x
    x = 1,214,596,574,707.67/1,066,910.23
  6. Step 6: Final answer
    x = 1,138,424.34

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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.