Home / 1,041,055.56-1,561,561.74-331,085.16

Finding the Fourth Proportional to 1,041,055.56, 1,561,561.74 and 331,085.16

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Solution

The fourth proportional to 1,041,055.56, 1,561,561.74 and 331,085.16 is: 496,620.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,055.56 : 1,561,561.74 = 331,085.16 : x
  2. Step 2: Convert to fraction form
    1,041,055.56/1,561,561.74 = 331,085.16/x
  3. Step 3: Cross multiply
    1,041,055.56x = 1,561,561.74 × 331,085.16
  4. Step 4: Simplify right side
    1,041,055.56x = 517,009,918,537.78
  5. Step 5: Solve for x
    x = 517,009,918,537.78/1,041,055.56
  6. Step 6: Final answer
    x = 496,620.87

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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.