Home / 1,433,498.62-1,977,405.30-896,021.50

Finding the Fourth Proportional to 1,433,498.62, 1,977,405.30 and 896,021.50

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Solution

The fourth proportional to 1,433,498.62, 1,977,405.30 and 896,021.50 is: 1,235,995.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,498.62 : 1,977,405.30 = 896,021.50 : x
  2. Step 2: Convert to fraction form
    1,433,498.62/1,977,405.30 = 896,021.50/x
  3. Step 3: Cross multiply
    1,433,498.62x = 1,977,405.30 × 896,021.50
  4. Step 4: Simplify right side
    1,433,498.62x = 1,771,797,663,013.95
  5. Step 5: Solve for x
    x = 1,771,797,663,013.95/1,433,498.62
  6. Step 6: Final answer
    x = 1,235,995.37

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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.