Home / 1,145,657.80-1,718,486.70-304,294.60

Finding the Fourth Proportional to 1,145,657.80, 1,718,486.70 and 304,294.60

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Solution

The fourth proportional to 1,145,657.80, 1,718,486.70 and 304,294.60 is: 456,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,657.80 : 1,718,486.70 = 304,294.60 : x
  2. Step 2: Convert to fraction form
    1,145,657.80/1,718,486.70 = 304,294.60/x
  3. Step 3: Cross multiply
    1,145,657.80x = 1,718,486.70 × 304,294.60
  4. Step 4: Simplify right side
    1,145,657.80x = 522,926,222,981.82
  5. Step 5: Solve for x
    x = 522,926,222,981.82/1,145,657.80
  6. Step 6: Final answer
    x = 456,441.90

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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.