Home / 1,406,115.09-1,940,438.24-761,535.32

Finding the Fourth Proportional to 1,406,115.09, 1,940,438.24 and 761,535.32

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Solution

The fourth proportional to 1,406,115.09, 1,940,438.24 and 761,535.32 is: 1,050,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,115.09 : 1,940,438.24 = 761,535.32 : x
  2. Step 2: Convert to fraction form
    1,406,115.09/1,940,438.24 = 761,535.32/x
  3. Step 3: Cross multiply
    1,406,115.09x = 1,940,438.24 × 761,535.32
  4. Step 4: Simplify right side
    1,406,115.09x = 1,477,712,242,528.77
  5. Step 5: Solve for x
    x = 1,477,712,242,528.77/1,406,115.09
  6. Step 6: Final answer
    x = 1,050,918.42

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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.