Home / 1,106,671.32-1,657,983.90-802,311.70

Finding the Fourth Proportional to 1,106,671.32, 1,657,983.90 and 802,311.70

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Solution

The fourth proportional to 1,106,671.32, 1,657,983.90 and 802,311.70 is: 1,202,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,671.32 : 1,657,983.90 = 802,311.70 : x
  2. Step 2: Convert to fraction form
    1,106,671.32/1,657,983.90 = 802,311.70/x
  3. Step 3: Cross multiply
    1,106,671.32x = 1,657,983.90 × 802,311.70
  4. Step 4: Simplify right side
    1,106,671.32x = 1,330,219,879,242.45
  5. Step 5: Solve for x
    x = 1,330,219,879,242.45/1,106,671.32
  6. Step 6: Final answer
    x = 1,202,000.86

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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.