Home / 1,432,938.52-1,977,392.82-788,317.84

Finding the Fourth Proportional to 1,432,938.52, 1,977,392.82 and 788,317.84

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Solution

The fourth proportional to 1,432,938.52, 1,977,392.82 and 788,317.84 is: 1,087,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,938.52 : 1,977,392.82 = 788,317.84 : x
  2. Step 2: Convert to fraction form
    1,432,938.52/1,977,392.82 = 788,317.84/x
  3. Step 3: Cross multiply
    1,432,938.52x = 1,977,392.82 × 788,317.84
  4. Step 4: Simplify right side
    1,432,938.52x = 1,558,814,036,693.91
  5. Step 5: Solve for x
    x = 1,558,814,036,693.91/1,432,938.52
  6. Step 6: Final answer
    x = 1,087,844.32

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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.