Home / 1,432,928.96-1,977,441.89-788,335.31

Finding the Fourth Proportional to 1,432,928.96, 1,977,441.89 and 788,335.31

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Solution

The fourth proportional to 1,432,928.96, 1,977,441.89 and 788,335.31 is: 1,087,902.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,928.96 : 1,977,441.89 = 788,335.31 : x
  2. Step 2: Convert to fraction form
    1,432,928.96/1,977,441.89 = 788,335.31/x
  3. Step 3: Cross multiply
    1,432,928.96x = 1,977,441.89 × 788,335.31
  4. Step 4: Simplify right side
    1,432,928.96x = 1,558,887,263,873.75
  5. Step 5: Solve for x
    x = 1,558,887,263,873.75/1,432,928.96
  6. Step 6: Final answer
    x = 1,087,902.69

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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.