Home / 4,271,312.80-6,405,648.96-1,238,902

Finding the Fourth Proportional to 4,271,312.80, 6,405,648.96 and 1,238,902

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Solution

The fourth proportional to 4,271,312.80, 6,405,648.96 and 1,238,902 is: 1,857,970.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271,312.80 : 6,405,648.96 = 1,238,902 : x
  2. Step 2: Convert to fraction form
    4,271,312.80/6,405,648.96 = 1,238,902/x
  3. Step 3: Cross multiply
    4,271,312.80x = 6,405,648.96 × 1,238,902
  4. Step 4: Simplify right side
    4,271,312.80x = 7,935,971,307,841.92
  5. Step 5: Solve for x
    x = 7,935,971,307,841.92/4,271,312.80
  6. Step 6: Final answer
    x = 1,857,970.06

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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.