Home / 1,098,774.56-1,648,418.88-340,576.32

Finding the Fourth Proportional to 1,098,774.56, 1,648,418.88 and 340,576.32

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Solution

The fourth proportional to 1,098,774.56, 1,648,418.88 and 340,576.32 is: 510,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,774.56 : 1,648,418.88 = 340,576.32 : x
  2. Step 2: Convert to fraction form
    1,098,774.56/1,648,418.88 = 340,576.32/x
  3. Step 3: Cross multiply
    1,098,774.56x = 1,648,418.88 × 340,576.32
  4. Step 4: Simplify right side
    1,098,774.56x = 561,412,435,968.92
  5. Step 5: Solve for x
    x = 561,412,435,968.92/1,098,774.56
  6. Step 6: Final answer
    x = 510,944.15

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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.