Home / 1,406,409.34-1,940,854.20-761,829.52

Finding the Fourth Proportional to 1,406,409.34, 1,940,854.20 and 761,829.52

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Solution

The fourth proportional to 1,406,409.34, 1,940,854.20 and 761,829.52 is: 1,051,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,409.34 : 1,940,854.20 = 761,829.52 : x
  2. Step 2: Convert to fraction form
    1,406,409.34/1,940,854.20 = 761,829.52/x
  3. Step 3: Cross multiply
    1,406,409.34x = 1,940,854.20 × 761,829.52
  4. Step 4: Simplify right side
    1,406,409.34x = 1,478,600,023,575.98
  5. Step 5: Solve for x
    x = 1,478,600,023,575.98/1,406,409.34
  6. Step 6: Final answer
    x = 1,051,329.78

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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.