Home / 1,406,480.36-1,940,941.09-761,903.11

Finding the Fourth Proportional to 1,406,480.36, 1,940,941.09 and 761,903.11

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Solution

The fourth proportional to 1,406,480.36, 1,940,941.09 and 761,903.11 is: 1,051,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,480.36 : 1,940,941.09 = 761,903.11 : x
  2. Step 2: Convert to fraction form
    1,406,480.36/1,940,941.09 = 761,903.11/x
  3. Step 3: Cross multiply
    1,406,480.36x = 1,940,941.09 × 761,903.11
  4. Step 4: Simplify right side
    1,406,480.36x = 1,478,809,051,890.64
  5. Step 5: Solve for x
    x = 1,478,809,051,890.64/1,406,480.36
  6. Step 6: Final answer
    x = 1,051,425.32

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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.