Home / 1,432,935.38-1,977,450.72-788,341.74

Finding the Fourth Proportional to 1,432,935.38, 1,977,450.72 and 788,341.74

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Solution

The fourth proportional to 1,432,935.38, 1,977,450.72 and 788,341.74 is: 1,087,911.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,935.38 : 1,977,450.72 = 788,341.74 : x
  2. Step 2: Convert to fraction form
    1,432,935.38/1,977,450.72 = 788,341.74/x
  3. Step 3: Cross multiply
    1,432,935.38x = 1,977,450.72 × 788,341.74
  4. Step 4: Simplify right side
    1,432,935.38x = 1,558,906,941,369.05
  5. Step 5: Solve for x
    x = 1,558,906,941,369.05/1,432,935.38
  6. Step 6: Final answer
    x = 1,087,911.54

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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.