Home / 1,008,433-1,391,666.72-555,753.16

Finding the Fourth Proportional to 1,008,433, 1,391,666.72 and 555,753.16

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Solution

The fourth proportional to 1,008,433, 1,391,666.72 and 555,753.16 is: 766,955.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,433 : 1,391,666.72 = 555,753.16 : x
  2. Step 2: Convert to fraction form
    1,008,433/1,391,666.72 = 555,753.16/x
  3. Step 3: Cross multiply
    1,008,433x = 1,391,666.72 × 555,753.16
  4. Step 4: Simplify right side
    1,008,433x = 773,423,177,306.84
  5. Step 5: Solve for x
    x = 773,423,177,306.84/1,008,433
  6. Step 6: Final answer
    x = 766,955.44

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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.