Home / 1,020,192.66-1,407,876.66-561,313.28

Finding the Fourth Proportional to 1,020,192.66, 1,407,876.66 and 561,313.28

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Solution

The fourth proportional to 1,020,192.66, 1,407,876.66 and 561,313.28 is: 774,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,192.66 : 1,407,876.66 = 561,313.28 : x
  2. Step 2: Convert to fraction form
    1,020,192.66/1,407,876.66 = 561,313.28/x
  3. Step 3: Cross multiply
    1,020,192.66x = 1,407,876.66 × 561,313.28
  4. Step 4: Simplify right side
    1,020,192.66x = 790,259,869,379.74
  5. Step 5: Solve for x
    x = 790,259,869,379.74/1,020,192.66
  6. Step 6: Final answer
    x = 774,618.27

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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.