Home / 1,415,543.90-2,123,315.85-404,663.90

Finding the Fourth Proportional to 1,415,543.90, 2,123,315.85 and 404,663.90

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Solution

The fourth proportional to 1,415,543.90, 2,123,315.85 and 404,663.90 is: 606,995.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,543.90 : 2,123,315.85 = 404,663.90 : x
  2. Step 2: Convert to fraction form
    1,415,543.90/2,123,315.85 = 404,663.90/x
  3. Step 3: Cross multiply
    1,415,543.90x = 2,123,315.85 × 404,663.90
  4. Step 4: Simplify right side
    1,415,543.90x = 859,229,272,792.82
  5. Step 5: Solve for x
    x = 859,229,272,792.82/1,415,543.90
  6. Step 6: Final answer
    x = 606,995.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.