Home / 1,152,428.83-1,590,310.10-636,171.64

Finding the Fourth Proportional to 1,152,428.83, 1,590,310.10 and 636,171.64

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Solution

The fourth proportional to 1,152,428.83, 1,590,310.10 and 636,171.64 is: 877,893.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,428.83 : 1,590,310.10 = 636,171.64 : x
  2. Step 2: Convert to fraction form
    1,152,428.83/1,590,310.10 = 636,171.64/x
  3. Step 3: Cross multiply
    1,152,428.83x = 1,590,310.10 × 636,171.64
  4. Step 4: Simplify right side
    1,152,428.83x = 1,011,710,188,302.05
  5. Step 5: Solve for x
    x = 1,011,710,188,302.05/1,152,428.83
  6. Step 6: Final answer
    x = 877,893.85

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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.