Home / 1,020,331.49-1,408,015.17-555,187.27

Finding the Fourth Proportional to 1,020,331.49, 1,408,015.17 and 555,187.27

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Solution

The fourth proportional to 1,020,331.49, 1,408,015.17 and 555,187.27 is: 766,135.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,331.49 : 1,408,015.17 = 555,187.27 : x
  2. Step 2: Convert to fraction form
    1,020,331.49/1,408,015.17 = 555,187.27/x
  3. Step 3: Cross multiply
    1,020,331.49x = 1,408,015.17 × 555,187.27
  4. Step 4: Simplify right side
    1,020,331.49x = 781,712,100,110.91
  5. Step 5: Solve for x
    x = 781,712,100,110.91/1,020,331.49
  6. Step 6: Final answer
    x = 766,135.42

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Double scale
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1.5x scale

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.