Home / 1,008,001.01-1,391,040.78-555,292.01

Finding the Fourth Proportional to 1,008,001.01, 1,391,040.78 and 555,292.01

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Solution

The fourth proportional to 1,008,001.01, 1,391,040.78 and 555,292.01 is: 766,302.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,001.01 : 1,391,040.78 = 555,292.01 : x
  2. Step 2: Convert to fraction form
    1,008,001.01/1,391,040.78 = 555,292.01/x
  3. Step 3: Cross multiply
    1,008,001.01x = 1,391,040.78 × 555,292.01
  4. Step 4: Simplify right side
    1,008,001.01x = 772,433,830,718.17
  5. Step 5: Solve for x
    x = 772,433,830,718.17/1,008,001.01
  6. Step 6: Final answer
    x = 766,302.64

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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.