Home / 1,007,800.70-1,390,764.90-555,091.70

Finding the Fourth Proportional to 1,007,800.70, 1,390,764.90 and 555,091.70

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Solution

The fourth proportional to 1,007,800.70, 1,390,764.90 and 555,091.70 is: 766,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,800.70 : 1,390,764.90 = 555,091.70 : x
  2. Step 2: Convert to fraction form
    1,007,800.70/1,390,764.90 = 555,091.70/x
  3. Step 3: Cross multiply
    1,007,800.70x = 1,390,764.90 × 555,091.70
  4. Step 4: Simplify right side
    1,007,800.70x = 772,002,052,641.33
  5. Step 5: Solve for x
    x = 772,002,052,641.33/1,007,800.70
  6. Step 6: Final answer
    x = 766,026.51

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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.