Home / 1,152,310.02-1,590,187.57-636,063.79

Finding the Fourth Proportional to 1,152,310.02, 1,590,187.57 and 636,063.79

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Solution

The fourth proportional to 1,152,310.02, 1,590,187.57 and 636,063.79 is: 877,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,310.02 : 1,590,187.57 = 636,063.79 : x
  2. Step 2: Convert to fraction form
    1,152,310.02/1,590,187.57 = 636,063.79/x
  3. Step 3: Cross multiply
    1,152,310.02x = 1,590,187.57 × 636,063.79
  4. Step 4: Simplify right side
    1,152,310.02x = 1,011,460,732,585.09
  5. Step 5: Solve for x
    x = 1,011,460,732,585.09/1,152,310.02
  6. Step 6: Final answer
    x = 877,767.89

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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.