Home / 1,218,699.38-1,683,556.96-973,362.02

Finding the Fourth Proportional to 1,218,699.38, 1,683,556.96 and 973,362.02

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Solution

The fourth proportional to 1,218,699.38, 1,683,556.96 and 973,362.02 is: 1,344,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,699.38 : 1,683,556.96 = 973,362.02 : x
  2. Step 2: Convert to fraction form
    1,218,699.38/1,683,556.96 = 973,362.02/x
  3. Step 3: Cross multiply
    1,218,699.38x = 1,683,556.96 × 973,362.02
  4. Step 4: Simplify right side
    1,218,699.38x = 1,638,710,403,370.66
  5. Step 5: Solve for x
    x = 1,638,710,403,370.66/1,218,699.38
  6. Step 6: Final answer
    x = 1,344,638.74

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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.