Home / 1,074,518.06-1,611,777.07-316,359.65

Finding the Fourth Proportional to 1,074,518.06, 1,611,777.07 and 316,359.65

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Solution

The fourth proportional to 1,074,518.06, 1,611,777.07 and 316,359.65 is: 474,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,518.06 : 1,611,777.07 = 316,359.65 : x
  2. Step 2: Convert to fraction form
    1,074,518.06/1,611,777.07 = 316,359.65/x
  3. Step 3: Cross multiply
    1,074,518.06x = 1,611,777.07 × 316,359.65
  4. Step 4: Simplify right side
    1,074,518.06x = 509,901,222,079.79
  5. Step 5: Solve for x
    x = 509,901,222,079.79/1,074,518.06
  6. Step 6: Final answer
    x = 474,539.46

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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.