Home / 906,709.80-1,360,064.70-749,116.20

Finding the Fourth Proportional to 906,709.80, 1,360,064.70 and 749,116.20

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Solution

The fourth proportional to 906,709.80, 1,360,064.70 and 749,116.20 is: 1,123,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,709.80 : 1,360,064.70 = 749,116.20 : x
  2. Step 2: Convert to fraction form
    906,709.80/1,360,064.70 = 749,116.20/x
  3. Step 3: Cross multiply
    906,709.80x = 1,360,064.70 × 749,116.20
  4. Step 4: Simplify right side
    906,709.80x = 1,018,846,499,818.14
  5. Step 5: Solve for x
    x = 1,018,846,499,818.14/906,709.80
  6. Step 6: Final answer
    x = 1,123,674.30

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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.