Home / 1,406,144.18-1,940,478.27-761,564.30

Finding the Fourth Proportional to 1,406,144.18, 1,940,478.27 and 761,564.30

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Solution

The fourth proportional to 1,406,144.18, 1,940,478.27 and 761,564.30 is: 1,050,958.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,144.18 : 1,940,478.27 = 761,564.30 : x
  2. Step 2: Convert to fraction form
    1,406,144.18/1,940,478.27 = 761,564.30/x
  3. Step 3: Cross multiply
    1,406,144.18x = 1,940,478.27 × 761,564.30
  4. Step 4: Simplify right side
    1,406,144.18x = 1,477,798,975,357.76
  5. Step 5: Solve for x
    x = 1,477,798,975,357.76/1,406,144.18
  6. Step 6: Final answer
    x = 1,050,958.36

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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.