Home / 1,406,009.03-1,940,282.80-761,414.47

Finding the Fourth Proportional to 1,406,009.03, 1,940,282.80 and 761,414.47

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Solution

The fourth proportional to 1,406,009.03, 1,940,282.80 and 761,414.47 is: 1,050,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,009.03 : 1,940,282.80 = 761,414.47 : x
  2. Step 2: Convert to fraction form
    1,406,009.03/1,940,282.80 = 761,414.47/x
  3. Step 3: Cross multiply
    1,406,009.03x = 1,940,282.80 × 761,414.47
  4. Step 4: Simplify right side
    1,406,009.03x = 1,477,359,393,057.87
  5. Step 5: Solve for x
    x = 1,477,359,393,057.87/1,406,009.03
  6. Step 6: Final answer
    x = 1,050,746.74

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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.