Home / 1,008,266.64-1,391,399.28-555,554.40

Finding the Fourth Proportional to 1,008,266.64, 1,391,399.28 and 555,554.40

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Solution

The fourth proportional to 1,008,266.64, 1,391,399.28 and 555,554.40 is: 766,660.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,266.64 : 1,391,399.28 = 555,554.40 : x
  2. Step 2: Convert to fraction form
    1,008,266.64/1,391,399.28 = 555,554.40/x
  3. Step 3: Cross multiply
    1,008,266.64x = 1,391,399.28 × 555,554.40
  4. Step 4: Simplify right side
    1,008,266.64x = 772,997,992,160.83
  5. Step 5: Solve for x
    x = 772,997,992,160.83/1,008,266.64
  6. Step 6: Final answer
    x = 766,660.29

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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.