Home / 1,636,705.20-2,455,057.80-739,160.40

Finding the Fourth Proportional to 1,636,705.20, 2,455,057.80 and 739,160.40

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Solution

The fourth proportional to 1,636,705.20, 2,455,057.80 and 739,160.40 is: 1,108,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,705.20 : 2,455,057.80 = 739,160.40 : x
  2. Step 2: Convert to fraction form
    1,636,705.20/2,455,057.80 = 739,160.40/x
  3. Step 3: Cross multiply
    1,636,705.20x = 2,455,057.80 × 739,160.40
  4. Step 4: Simplify right side
    1,636,705.20x = 1,814,681,505,471.12
  5. Step 5: Solve for x
    x = 1,814,681,505,471.12/1,636,705.20
  6. Step 6: Final answer
    x = 1,108,740.60

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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.