Home / 1,008,044.40-1,391,085.72-555,351.60

Finding the Fourth Proportional to 1,008,044.40, 1,391,085.72 and 555,351.60

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Solution

The fourth proportional to 1,008,044.40, 1,391,085.72 and 555,351.60 is: 766,376.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,044.40 : 1,391,085.72 = 555,351.60 : x
  2. Step 2: Convert to fraction form
    1,008,044.40/1,391,085.72 = 555,351.60/x
  3. Step 3: Cross multiply
    1,008,044.40x = 1,391,085.72 × 555,351.60
  4. Step 4: Simplify right side
    1,008,044.40x = 772,541,680,339.15
  5. Step 5: Solve for x
    x = 772,541,680,339.15/1,008,044.40
  6. Step 6: Final answer
    x = 766,376.64

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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.