Home / 1,061,081.03-1,590,661.40-387,004.30

Finding the Fourth Proportional to 1,061,081.03, 1,590,661.40 and 387,004.30

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Solution

The fourth proportional to 1,061,081.03, 1,590,661.40 and 387,004.30 is: 580,156.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,081.03 : 1,590,661.40 = 387,004.30 : x
  2. Step 2: Convert to fraction form
    1,061,081.03/1,590,661.40 = 387,004.30/x
  3. Step 3: Cross multiply
    1,061,081.03x = 1,590,661.40 × 387,004.30
  4. Step 4: Simplify right side
    1,061,081.03x = 615,592,795,732.35
  5. Step 5: Solve for x
    x = 615,592,795,732.35/1,061,081.03
  6. Step 6: Final answer
    x = 580,156.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.