Home / 1,241,990.20-1,860,688.95-707,924.80

Finding the Fourth Proportional to 1,241,990.20, 1,860,688.95 and 707,924.80

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Solution

The fourth proportional to 1,241,990.20, 1,860,688.95 and 707,924.80 is: 1,060,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,990.20 : 1,860,688.95 = 707,924.80 : x
  2. Step 2: Convert to fraction form
    1,241,990.20/1,860,688.95 = 707,924.80/x
  3. Step 3: Cross multiply
    1,241,990.20x = 1,860,688.95 × 707,924.80
  4. Step 4: Simplify right side
    1,241,990.20x = 1,317,227,852,790.96
  5. Step 5: Solve for x
    x = 1,317,227,852,790.96/1,241,990.20
  6. Step 6: Final answer
    x = 1,060,578.30

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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.