Home / 1,418,319.50-1,957,013.20-845,412.98

Finding the Fourth Proportional to 1,418,319.50, 1,957,013.20 and 845,412.98

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Solution

The fourth proportional to 1,418,319.50, 1,957,013.20 and 845,412.98 is: 1,166,510.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,319.50 : 1,957,013.20 = 845,412.98 : x
  2. Step 2: Convert to fraction form
    1,418,319.50/1,957,013.20 = 845,412.98/x
  3. Step 3: Cross multiply
    1,418,319.50x = 1,957,013.20 × 845,412.98
  4. Step 4: Simplify right side
    1,418,319.50x = 1,654,484,361,311.34
  5. Step 5: Solve for x
    x = 1,654,484,361,311.34/1,418,319.50
  6. Step 6: Final answer
    x = 1,166,510.34

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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.