Home / 1,316,678.83-1,817,164.55-743,755.91

Finding the Fourth Proportional to 1,316,678.83, 1,817,164.55 and 743,755.91

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Solution

The fourth proportional to 1,316,678.83, 1,817,164.55 and 743,755.91 is: 1,026,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,678.83 : 1,817,164.55 = 743,755.91 : x
  2. Step 2: Convert to fraction form
    1,316,678.83/1,817,164.55 = 743,755.91/x
  3. Step 3: Cross multiply
    1,316,678.83x = 1,817,164.55 × 743,755.91
  4. Step 4: Simplify right side
    1,316,678.83x = 1,351,526,866,278.56
  5. Step 5: Solve for x
    x = 1,351,526,866,278.56/1,316,678.83
  6. Step 6: Final answer
    x = 1,026,466.62

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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.