Home / 1,705,037.40-2,563,776.90-1,431,322.20

Finding the Fourth Proportional to 1,705,037.40, 2,563,776.90 and 1,431,322.20

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Solution

The fourth proportional to 1,705,037.40, 2,563,776.90 and 1,431,322.20 is: 2,152,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,037.40 : 2,563,776.90 = 1,431,322.20 : x
  2. Step 2: Convert to fraction form
    1,705,037.40/2,563,776.90 = 1,431,322.20/x
  3. Step 3: Cross multiply
    1,705,037.40x = 2,563,776.90 × 1,431,322.20
  4. Step 4: Simplify right side
    1,705,037.40x = 3,669,590,792,817.18
  5. Step 5: Solve for x
    x = 3,669,590,792,817.18/1,705,037.40
  6. Step 6: Final answer
    x = 2,152,205.45

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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.