Home / 1,074,494.02-1,611,186.30-316,236.98

Finding the Fourth Proportional to 1,074,494.02, 1,611,186.30 and 316,236.98

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Solution

The fourth proportional to 1,074,494.02, 1,611,186.30 and 316,236.98 is: 474,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,494.02 : 1,611,186.30 = 316,236.98 : x
  2. Step 2: Convert to fraction form
    1,074,494.02/1,611,186.30 = 316,236.98/x
  3. Step 3: Cross multiply
    1,074,494.02x = 1,611,186.30 × 316,236.98
  4. Step 4: Simplify right side
    1,074,494.02x = 509,516,689,729.37
  5. Step 5: Solve for x
    x = 509,516,689,729.37/1,074,494.02
  6. Step 6: Final answer
    x = 474,192.21

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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.