Home / 1,020,008.97-1,407,668.40-590,427.48

Finding the Fourth Proportional to 1,020,008.97, 1,407,668.40 and 590,427.48

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Solution

The fourth proportional to 1,020,008.97, 1,407,668.40 and 590,427.48 is: 814,822.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,008.97 : 1,407,668.40 = 590,427.48 : x
  2. Step 2: Convert to fraction form
    1,020,008.97/1,407,668.40 = 590,427.48/x
  3. Step 3: Cross multiply
    1,020,008.97x = 1,407,668.40 × 590,427.48
  4. Step 4: Simplify right side
    1,020,008.97x = 831,126,106,087.63
  5. Step 5: Solve for x
    x = 831,126,106,087.63/1,020,008.97
  6. Step 6: Final answer
    x = 814,822.35

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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.