Home / 1,490,037.40-2,056,190.84-845,443.72

Finding the Fourth Proportional to 1,490,037.40, 2,056,190.84 and 845,443.72

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Solution

The fourth proportional to 1,490,037.40, 2,056,190.84 and 845,443.72 is: 1,166,677.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,037.40 : 2,056,190.84 = 845,443.72 : x
  2. Step 2: Convert to fraction form
    1,490,037.40/2,056,190.84 = 845,443.72/x
  3. Step 3: Cross multiply
    1,490,037.40x = 2,056,190.84 × 845,443.72
  4. Step 4: Simplify right side
    1,490,037.40x = 1,738,393,628,572.31
  5. Step 5: Solve for x
    x = 1,738,393,628,572.31/1,490,037.40
  6. Step 6: Final answer
    x = 1,166,677.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.