Home / 1,132,306.32-1,698,459.48-290,858.88

Finding the Fourth Proportional to 1,132,306.32, 1,698,459.48 and 290,858.88

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Solution

The fourth proportional to 1,132,306.32, 1,698,459.48 and 290,858.88 is: 436,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,306.32 : 1,698,459.48 = 290,858.88 : x
  2. Step 2: Convert to fraction form
    1,132,306.32/1,698,459.48 = 290,858.88/x
  3. Step 3: Cross multiply
    1,132,306.32x = 1,698,459.48 × 290,858.88
  4. Step 4: Simplify right side
    1,132,306.32x = 494,012,022,078.18
  5. Step 5: Solve for x
    x = 494,012,022,078.18/1,132,306.32
  6. Step 6: Final answer
    x = 436,288.32

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Double scale
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Similar ratio
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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.