Home / 1,406,128.62-1,940,456.88-761,548.80

Finding the Fourth Proportional to 1,406,128.62, 1,940,456.88 and 761,548.80

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Solution

The fourth proportional to 1,406,128.62, 1,940,456.88 and 761,548.80 is: 1,050,937.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,128.62 : 1,940,456.88 = 761,548.80 : x
  2. Step 2: Convert to fraction form
    1,406,128.62/1,940,456.88 = 761,548.80/x
  3. Step 3: Cross multiply
    1,406,128.62x = 1,940,456.88 × 761,548.80
  4. Step 4: Simplify right side
    1,406,128.62x = 1,477,752,608,415.74
  5. Step 5: Solve for x
    x = 1,477,752,608,415.74/1,406,128.62
  6. Step 6: Final answer
    x = 1,050,937.01

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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.