Home / 1,090,499.10-1,636,007.85-459,087.90

Finding the Fourth Proportional to 1,090,499.10, 1,636,007.85 and 459,087.90

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Solution

The fourth proportional to 1,090,499.10, 1,636,007.85 and 459,087.90 is: 688,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,499.10 : 1,636,007.85 = 459,087.90 : x
  2. Step 2: Convert to fraction form
    1,090,499.10/1,636,007.85 = 459,087.90/x
  3. Step 3: Cross multiply
    1,090,499.10x = 1,636,007.85 × 459,087.90
  4. Step 4: Simplify right side
    1,090,499.10x = 751,071,408,240.02
  5. Step 5: Solve for x
    x = 751,071,408,240.02/1,090,499.10
  6. Step 6: Final answer
    x = 688,740.97

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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.