Home / 1,057,408.56-1,586,278.08-347,274.72

Finding the Fourth Proportional to 1,057,408.56, 1,586,278.08 and 347,274.72

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Solution

The fourth proportional to 1,057,408.56, 1,586,278.08 and 347,274.72 is: 520,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,408.56 : 1,586,278.08 = 347,274.72 : x
  2. Step 2: Convert to fraction form
    1,057,408.56/1,586,278.08 = 347,274.72/x
  3. Step 3: Cross multiply
    1,057,408.56x = 1,586,278.08 × 347,274.72
  4. Step 4: Simplify right side
    1,057,408.56x = 550,874,276,074.14
  5. Step 5: Solve for x
    x = 550,874,276,074.14/1,057,408.56
  6. Step 6: Final answer
    x = 520,966.35

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Double scale
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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.