Home / 1,152,429.35-1,590,310.83-636,172.16

Finding the Fourth Proportional to 1,152,429.35, 1,590,310.83 and 636,172.16

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Solution

The fourth proportional to 1,152,429.35, 1,590,310.83 and 636,172.16 is: 877,894.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,429.35 : 1,590,310.83 = 636,172.16 : x
  2. Step 2: Convert to fraction form
    1,152,429.35/1,590,310.83 = 636,172.16/x
  3. Step 3: Cross multiply
    1,152,429.35x = 1,590,310.83 × 636,172.16
  4. Step 4: Simplify right side
    1,152,429.35x = 1,011,711,479,768.27
  5. Step 5: Solve for x
    x = 1,011,711,479,768.27/1,152,429.35
  6. Step 6: Final answer
    x = 877,894.58

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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.