Home / 1,406,123.54-1,940,440.82-761,528.98

Finding the Fourth Proportional to 1,406,123.54, 1,940,440.82 and 761,528.98

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Solution

The fourth proportional to 1,406,123.54, 1,940,440.82 and 761,528.98 is: 1,050,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,123.54 : 1,940,440.82 = 761,528.98 : x
  2. Step 2: Convert to fraction form
    1,406,123.54/1,940,440.82 = 761,528.98/x
  3. Step 3: Cross multiply
    1,406,123.54x = 1,940,440.82 × 761,528.98
  4. Step 4: Simplify right side
    1,406,123.54x = 1,477,701,918,404.96
  5. Step 5: Solve for x
    x = 1,477,701,918,404.96/1,406,123.54
  6. Step 6: Final answer
    x = 1,050,904.76

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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.