Home / 1,406,033.52-1,940,315.91-761,438.76

Finding the Fourth Proportional to 1,406,033.52, 1,940,315.91 and 761,438.76

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Solution

The fourth proportional to 1,406,033.52, 1,940,315.91 and 761,438.76 is: 1,050,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,033.52 : 1,940,315.91 = 761,438.76 : x
  2. Step 2: Convert to fraction form
    1,406,033.52/1,940,315.91 = 761,438.76/x
  3. Step 3: Cross multiply
    1,406,033.52x = 1,940,315.91 × 761,438.76
  4. Step 4: Simplify right side
    1,406,033.52x = 1,477,431,740,518.67
  5. Step 5: Solve for x
    x = 1,477,431,740,518.67/1,406,033.52
  6. Step 6: Final answer
    x = 1,050,779.89

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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.