Home / 1,337,430.78-1,845,654.27-764,483.25

Finding the Fourth Proportional to 1,337,430.78, 1,845,654.27 and 764,483.25

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Solution

The fourth proportional to 1,337,430.78, 1,845,654.27 and 764,483.25 is: 1,054,986.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,430.78 : 1,845,654.27 = 764,483.25 : x
  2. Step 2: Convert to fraction form
    1,337,430.78/1,845,654.27 = 764,483.25/x
  3. Step 3: Cross multiply
    1,337,430.78x = 1,845,654.27 × 764,483.25
  4. Step 4: Simplify right side
    1,337,430.78x = 1,410,971,774,705.98
  5. Step 5: Solve for x
    x = 1,410,971,774,705.98/1,337,430.78
  6. Step 6: Final answer
    x = 1,054,986.77

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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.