Home / 1,346,117.50-1,857,773.37-742,505.50

Finding the Fourth Proportional to 1,346,117.50, 1,857,773.37 and 742,505.50

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Solution

The fourth proportional to 1,346,117.50, 1,857,773.37 and 742,505.50 is: 1,024,729.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,117.50 : 1,857,773.37 = 742,505.50 : x
  2. Step 2: Convert to fraction form
    1,346,117.50/1,857,773.37 = 742,505.50/x
  3. Step 3: Cross multiply
    1,346,117.50x = 1,857,773.37 × 742,505.50
  4. Step 4: Simplify right side
    1,346,117.50x = 1,379,406,944,978.54
  5. Step 5: Solve for x
    x = 1,379,406,944,978.54/1,346,117.50
  6. Step 6: Final answer
    x = 1,024,729.97

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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.