Home / 1,365,511.50-1,884,405.87-761,899.50

Finding the Fourth Proportional to 1,365,511.50, 1,884,405.87 and 761,899.50

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Solution

The fourth proportional to 1,365,511.50, 1,884,405.87 and 761,899.50 is: 1,051,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,511.50 : 1,884,405.87 = 761,899.50 : x
  2. Step 2: Convert to fraction form
    1,365,511.50/1,884,405.87 = 761,899.50/x
  3. Step 3: Cross multiply
    1,365,511.50x = 1,884,405.87 × 761,899.50
  4. Step 4: Simplify right side
    1,365,511.50x = 1,435,727,890,150.07
  5. Step 5: Solve for x
    x = 1,435,727,890,150.07/1,365,511.50
  6. Step 6: Final answer
    x = 1,051,421.31

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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.